2005 Cadillac STS Performance Exhaust Systems

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    • Corsa® 304 Stainless Steel Axle-Back Exhaust System
      (0 reviews)
      # 45866981
      Cadillac STS 4.6L 2005, 304 Stainless Steel Axle-Back Exhaust System by Corsa®. Dual Rear Exit. Touring Sound. 2.5" Tubing. With Single Tips. Custom Tuned, Aggressive Exhaust Note. Flows 40% Better Than Stock. Lighter Than Stock....
      Reserved but Distinctive Performance ToneStraight-Through Nonrestrictive Design for Improved Performance and Fuel Economy
      $1,010.04 - $1,109.46
    • MagnaFlow® Direct Fit California OBDII Catalytic Converter with Header
      (0 reviews)
      # 62246929
      Cadillac STS 4.6L 2005, Direct Fit California OBDII Catalytic Converter with Header by MagnaFlow®. 2.25" Inlet / 2.25" Outlet Diameter. 6" Width. 2" Tubing Diameter. Includes Gasket. Without Air Tube. If your car needs replacement,...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $529.41 - $529.51
    • MagnaFlow® Direct Fit Federal Catalytic Converter
      (1 reviews)
      # 61587322
      Cadillac STS 3.6L 2005, Direct Fit Federal Catalytic Converter by MagnaFlow®. 2" Inlet / 2" Outlet Diameter. 8.75" Width. 2" Tubing Diameter. Includes Gasket. Without Air Tube. If your car needs replacement, install one that will...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $267.34 - $271.74
    • MagnaFlow® Direct Fit Federal Catalytic Converter with Header
      (0 reviews)
      # 85644903
      Cadillac STS 4.6L 2005, Direct Fit Federal Catalytic Converter with Header by MagnaFlow®. 2.25" Inlet / 2.25" Outlet Diameter. 6" Width. 2" Tubing Diameter. Includes Gasket. Without Air Tube. If your car needs replacement, install...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $411.36
    • MagnaFlow® Direct Fit Federal OEM Grade Catalytic Converter
      (1 reviews)
      # 61587323
      Cadillac STS 3.6L 2005, Direct Fit Federal OEM Grade Catalytic Converter by MagnaFlow®. 2" Inlet / 2" Outlet Diameter. 2" Tubing Diameter. Includes Gasket. Without Air Tube. If your car needs replacement, install one that will get...
      Converter body manufactured from heavy-duty stainless steelIncreases exhaust flow compared to original factory converter
      $326.20 - $330.59
    • MagnaFlow® Direct Fit Federal OEM Grade Catalytic Converter with Header
      (0 reviews)
      # 62246930
      Cadillac STS 4.6L 2005, Direct Fit Federal OEM Grade Catalytic Converter with Header by MagnaFlow®. 2.25" Inlet / Outlet Diameter. 6" Width. 2" Tubing Diameter. Includes Gasket. Without Air Tube. If your car needs replacement,...
      Reduces harmful emissionsIncreases exhaust flow compared to original factory converter
      $470.19
    • Dorman® Exhaust Manifold
      (0 reviews)
      # 76927076
      Cadillac STS 3.6L 2005, Exhaust Manifold by Dorman®. Shape: Oval; Package Quantity: 1; Package Type: Box. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete...
      Cast iron or stainless tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $120.68 - $121.87
    • Dorman® Exhaust Manifold with Integrated Catalytic Converter
      (0 reviews)
      # 16496824
      Cadillac STS 4.6L 2005, Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Shape: Round; Material: Cast Iron; Package Quantity: 1; Package Type: Box. More like a complete kit than a single part, many of the Exhaust...
      Includes heat-shield for protection of hoses, wiring, and other engine componentsCast iron or stainless tubular construction protects against warping and/or cracking
      $266.44 - $338.26
    • Walker® Ultra™ Manifold
      (0 reviews)
      # 70809503
      Cadillac STS 4.6L with Federal Emission 2005, Ultra™ Manifold by Walker®. Inlet Flange Type: 8 Bolt Welded Flange. Outlet Diameter: 2". Inlet Connection Type: 8 Bolt Welded Flange. Outlet Connection Type: 2 Bolt Welded Flange....
      EPA & CARB Emissions Products Available for Most Vehicles5 Year / 50,000 Miles Warranty on Structural Components
      $361.00 - $386.79
    • DEC® Exhaust Manifold with Integrated Catalytic Converter
      (0 reviews)
      # 86068014
      Cadillac STS 4.6L 2005, Exhaust Manifold with Integrated Catalytic Converter by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made...
      Direct fitMade from a heavy duty stainless steel outer shell
      $382.20
    • Walker® Ultra™ Round Catalytic Converter
      (0 reviews)
      # 86428796
      Cadillac STS 4.6L with Federal Emission 2005, Ultra™ Round Catalytic Converter by Walker®. Inlet Diameter 1: 2.25". Outlet Diameter: 2.25". Overall Length: 11.5". Body Dimensions: 8" Length x 4.375" Width x 4.5" Height. Inlet /...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $85.93
    • Bosal® Federal Catalytic Converter
      (0 reviews)
      # 72351316
      Cadillac STS 3.6L 2005, Federal Catalytic Converter by Bosal®. Includes O2 Sensor Port. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle...
      Constructed to meet your vehicle’s specific emissions requirementsRadial flow concept allows for an even distribution of the gas flow in the converter for the optimal conversion of harmful gases
      $216.20 - $218.60
    • Eastern® ECO GM Direct Fit Catalytic Converter
      (0 reviews)
      # 17570557
      Cadillac STS 3.6L 2005, ECO GM Direct Fit Pre Cat Catalytic Converter by Eastern®. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your vehicle, this...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $235.35
    • Eastern® ECO GM Direct Fit Manifold with Integrated Catalytic Converter
      (0 reviews)
      # 55333251
      Cadillac STS 4.6L 2005, ECO GM Direct Fit Manifold with Integrated Catalytic Converter by Eastern®. If you need to replace your failed or damaged manifold, this product is the right choice. Designed specifically for your vehicle,...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $349.61 - $377.24
    • DEC® Direct Fit Catalytic Converter
      (0 reviews)
      # 86068011
      Cadillac STS 3.6L 2005, Direct Fit Catalytic Converter by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying to fail again. These catalytic converters are made from a heavy duty...
      Direct fitMade from a heavy duty stainless steel outer shell
      $292.60
    • AP Exhaust® Direct Fit Catalytic Converter
      (0 reviews)
      # 80127075
      Cadillac STS 3.6L CARB Compliant / EPA Compliant 2005, Direct Fit Catalytic Converter by AP Exhaust®. The growing concern for the environment means there is a growing need for quality emission control products. AP catalysts and...
      Manufactured from high quality materialsDesign meet needs of OBDII equipped vehicles
      $243.05 - $253.98
    • Davico® Direct Fit Catalytic Converter
      (0 reviews)
      # 83035447
      Cadillac STS 2005, Direct Fit Catalytic Converter by Davico®. Gaskets Included. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails...
      Helps your vehicle emit harmless gasesDirect OEM replacement
      $226.48 - $358.09
    • Walker® Quiet-Flow™ Stainless Steel Aluminized Oval Muffler
      (0 reviews)
      # 18159439
      Cadillac STS 3.6L 2005, Quiet-Flow™ Aluminized Oval Muffler by Walker®. Inlet Diameter 1: 2". Inlet Configuration: Offset. Outlet Diameter: 2". Outlet Configuration: Offset. Overall Length: 22". Inlet / Outlet Quantity: 2 Inlets...
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $63.07
    • Walker® Quiet-Flow™ Stainless Steel Oval Muffler Assembly
      (0 reviews)
      # 18153729
      Cadillac STS 3.6L 2005, Quiet-Flow™ Stainless Steel Aluminized Oval Muffler Assembly by Walker®. Inlet Diameter 1: 2.25". Inlet Configuration: Offset. Outlet Diameter: 2.25". Outlet Configuration: Center. Overall Length: 24.375"....
      $77.98 - $78.79
    • Walker® Front Pipe
      (0 reviews)
      # 18120897
      Cadillac STS 3.6L 2005, Stainless Steel Aluminized Front Pipe by Walker®. Inlet Diameter 1: 3". Outlet Diameter: 2". Overall Length: 26.25". Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. Inlet Connection Type: 2 Bolt Welded Flange...
      $25.38 - $26.42
    • Walker® Intermediate Pipe
      (0 reviews)
      # 18133185
      Cadillac STS 3.6L 2005, Stainless Steel Aluminized Intermediate Pipe by Walker®. Inlet Diameter 1: 2". Outlet Diameter: 2.25". Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. Inlet Connection Type: Pipe Connection. Outlet Connection...
      Made of High Quality Aluminized SteelCorrosion Resistant
      $15.49 - $15.50
    • Walker® U-Bolt Clamp
      (1 reviews)
      # 18129520
      Cadillac STS 3.6L 2005, U-Bolt Clamp by Walker®. Diameter: 2". Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.44
    • Fel-Pro® Exhaust Manifold Gasket Set
      (0 reviews)
      # 40588397
      Cadillac STS 2005, Exhaust Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $23.50 - $56.13
    • Taylor Cable® XX Carbon™ Exhaust Collector Gasket
      (0 reviews)
      # 9379789
      Cadillac STS V6 3.6L 7 Engine VIN Code 2005, XX Carbon™ Exhaust Collector Gasket by Taylor Cable®. These extreme high-temperature gaskets are well-suited for modified engines: turbocharged, supercharged, nitrous or fuel. This is...
      $12.74
    • Walker® Donut Exhaust Gasket
      (0 reviews)
      # 18136080
      Cadillac STS 3.6L 2005, Donut Exhaust Gasket by Walker®. Inlet / Outlet Quantity: 1 Inlet / 1 Outlet. Thickness: 0.5". Port Dimensions: 2" Length x 2" Width. With their extensive selection of accessories and hardware for the...
      Makes installation quick and easyOptimal OE-style fit and quality
      $9.47
    • Fel-Pro® Exhaust Pipe Flange Gasket
      (0 reviews)
      # 19064877
      Cadillac STS 2005, Exhaust Pipe Flange Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $4.98 - $8.94
    • Victor Reinz® Exhaust Seal Ring
      (0 reviews)
      # 24043017
      Cadillac STS 4.6L 2005, Exhaust Seal Ring by Victor Reinz®, Use 2 per Car. Exhaust Pipe to Intermediate Pipe. Exhaust Pipe to Manifold. OEM Standard. Material: Sintered Metal. Type 'B'. ID: 2.017". OD: 2.779". Thickness: 0.785"....
      $9.62
    • Taylor Cable® Graph-Flex™ Exhaust Header Gaskets
      (0 reviews)
      # 9381766
      Cadillac STS V6 3.6L 7 Engine VIN Code 2005, Graph-Flex™ Exhaust Header Gaskets by Taylor Cable®. These durable header flange gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll...
      $23.04
    • Taylor Cable® Seal-4-Good™ Exhaust Header Gaskets
      (0 reviews)
      # 9382121
      Cadillac STS V6 3.6L 7 Engine VIN Code 2005, Seal-4-Good™ Exhaust Header Gaskets by Taylor Cable®. Don’t put up with that ominous, unmistakable “tick, tick, tick” sound of an exhaust manifold leak. If it isn’t leaking air...
      $29.58 - $33.74
    • Taylor Cable® XX Carbon™ Exhaust Header Gaskets
      (0 reviews)
      # 9387659
      Cadillac STS V6 3.6L 7 Engine VIN Code 2005, XX Carbon™ Exhaust Header Gaskets by Taylor Cable®. These durable header flange gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll...
      $20.92
    • Taylor Cable® Graph-Flex™ Exhaust Collector Gasket
      (0 reviews)
      # 9379766
      Cadillac STS V6 3.6L 7 Engine VIN Code 2005, Graph-Flex™ Exhaust Collector Gasket by Taylor Cable®. These durable gaskets are composed of a graphite composition material on a malleable stainless steel core. They’ll seal up...
      $14.04
    • Vibrant Performance® GESI ® High Output Catalytic Converters
      (0 reviews)
      # 78902206
      Universal GESI ® High Output Catalytic Converters by Vibrant Performance®. Vibrant Performance and Global Emissions Systems Inc. (GESi®) have teamed up to supply a series of OBD2 (1996 and newer) high flow Catalytic Converters...
      EPA certified for use on OBD2 vehicles (1996 and newer) in jurisdictionswhere the installation of Universal Catalytic Converters is still permitted
      $335.21 - $448.35
    • Vibrant Performance® High Output Catalytic Converters
      (0 reviews)
      # 78902217
      Universal High Output Catalytic Converters by Vibrant Performance®. Vibrant Performance Metal or Ceramic Core Catalytic Converters are made entirely of Stainless Steel and feature a Monolith that is far more durable and capable...
      T304 Stainless Steel ConstructionThese Converters are covered by a 5 year / 50,000 mile warranty
      $75.76 - $109.10
    • Stainless Works® 304 SS High-Flow Catalytic Converter
      (0 reviews)
      # 83115043
      Universal 304 SS High-Flow Catalytic Converter by Stainless Works®. This superior product is made from high-grade stainless steel to ensure excellent quality and maximum resistance to corrosion. Engineered with careful attention to...
      Designed to meet strict quality standardsCarefully crafted from first-rate stainless steel
      $184.50
    • Dynatech® PowerCat Stainless Steel Catalytic Converter
      (0 reviews)
      # 84198005
      Universal PowerCat Stainless Steel Catalytic Converter by Dynatech®. 1 Piece. The Dynatech PowerCAT catalytic convertor uses the latest technology in catalytic convertor design. Utilizing a Premium Metallic Substrate internal...
      $174.99
    • Flowmaster® 10 Series Delta Force Single Chamber Race Muffler
      (0 reviews)
      # 898490
      Universal 10 Series Delta Force Single Chamber Race Muffler by Flowmaster®, AGGRESSIVE SOUND. The 10 Series Race mufflers are a compact lightweight single chamber design that will give a noticeable sound reduction compared to open...
      Race Proven TechnologyNoticeable Sound Reduction Compared to Open Headers
      $92.92 - $151.28
    • Flowmaster® 30 Series Delta Force™ 3-Chamber Race Muffler
      (0 reviews)
      # 898450
      Universal 30 Series Delta Force™ 3-Chamber Race Muffler by Flowmaster®, AGGRESSIVE SOUND. These are the most powerful and the quietest professional race mufflers available. 5.00” & 6.00” thick case sizes for maximum power and...
      Race Proven TechnologyDelta Force Technology for Maximum Torque and Power
      $124.40 - $275.60
    • Flowmaster® 40 Series Delta Flow™ Muffler
      (2 reviews)
      # 897054
      Universal 40 Series Delta Flow™ Muffler by Flowmaster®, AGGRESSIVE SOUND, 4" Thick x 9.75" Wide x 13" Case Length x 19" Overall Length. The 2-chamber design of this muffler, incorporating the patented Flowmaster Delta Flow...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $89.70 - $111.31
    • Flowmaster® 40 Series Delta Force™ 2-Chamber Race Muffler
      (0 reviews)
      # 898479
      Universal 40 Series Delta Force™ 2-Chamber Race Muffler by Flowmaster®, AGGRESSIVE SOUND. The 40-Series mufflers offer a combination of maximum power and substantial dB-reduction compared to open headers. They are recommended for...
      Race Proven TechnologyDelta Force Technology for Maximum Torque and Power
      $109.13 - $237.75
    • Flowmaster® 40 Series Original Muffler
      (1 reviews)
      # 897079
      Universal 40 Series Original Muffler by Flowmaster®, AGGRESSIVE SOUND, 4" Thick x 9.75" Wide x 13" Case Length x 19" Overall Length. This is the muffler that launched the success of Flowmaster. It is an aggressive sounding...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $83.76 - $165.34
    • Flowmaster® 50 Series Delta Flow™ Slimline Muffler
      (0 reviews)
      # 897156
      Universal 50 Series Delta Flow™ Slimline Muffler by Flowmaster®, MODERATE SOUND. The 50 Series Delta Flow Slimline mufflers are designed for passenger cars. The sound characteristics are moderate exterior sound level and minimal...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $134.99 - $139.56
    • Flowmaster® 60 Series Delta Flow™ Muffler (952460)
      (0 reviews)
      # mpn909945
      Universal 60 Series Delta Flow™ Aluminized Steel Muffler by Flowmaster®, MILD SOUND, 2.25" Center Inlet / 2.25" Center Outlet, 5" Thick x 10" Wide x 13" Case Length x 19" Overall Length. The 60 Series increases horsepower and...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $135.08
    • Flowmaster® 60 Series Delta Force Stainless Steel Race Muffler (854063-12)
      (0 reviews)
      # mpn912883
      Universal 60 Series Delta Force Stainless Steel Race Muffler by Flowmaster®, MODERATE SOUND, 4" Offset Inlet / 4" Offset Outlet, 22" Length. These are the most powerful and the quietest professional race mufflers available.
      Race Proven TechnologyNoticeable Sound Reduction Compared to Open Headers
      $203.17
    • Flowmaster® 70 Series Delta Flow™ Big Block Muffler
      (0 reviews)
      # 897109
      Universal 70 Series Delta Flow™ Big Block Muffler by Flowmaster®, MILD SOUND, 5" Thick x 10" Wide x 22" Case Length x 28" Overall Length. The 70 Series Big Block II Muffler uses a longer case for increased volume and added...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $152.15 - $156.70
    • Flowmaster® Outlaw™ Race Muffler
      (1 reviews)
      # 898456
      Universal Outlaw™ Race Muffler by Flowmaster®, AGGRESSIVE SOUND. These mufflers are very small and lightweight. Attached directly to the collector they generally produce more power than open headers, while taking “the edge”...
      Race Proven TechnologyPure Race Muffler
      $91.66 - $138.32
    • Flowmaster® Pro Series Outlaw™ Race Muffler
      (0 reviews)
      # 62419096
      Universal Pro Series Outlaw™ Race Muffler by Flowmaster®, AGGRESSIVE SOUND. Inlet / Outlet Position: Center. Outlet Diameter: 3". Body Height: 5". Body Width: 5". Body Length: 9". These mufflers are very small and lightweight....
      Race Proven TechnologyPure Race Muffler
      $91.66
    • Flowmaster® Pro Series™ Laminar Flow Muffler
      (0 reviews)
      # 897161
      Universal Pro Series™ Laminar Flow Muffler by Flowmaster®, MODERATE SOUND. PRO Laminar Flow mufflers have a patented core design that is characterized by efficient exhaust scavenging and minimized drone. They produce a rich, deep...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $151.28 - $211.80
    • Flowmaster® Pro Series™ Stainless Steel Race Muffler with Turn Down
      (1 reviews)
      # 898465
      Universal Pro Series™ Stainless Steel Race Muffler with Turn Down by Flowmaster®, MODERATE SOUND, 6" Diameter x 16" Case Length. Laminar Flow Mufflers have applications in all forms of racing. The Cool Shell Technology makes...
      Race Proven Patented Laminar Flow TechnologyProven to Reduce dB Levels with no Reduction of Engine Performance Level
      $194.51
    • Flowmaster® Resonator
      (0 reviews)
      # 898502
      Universal Resonator by Flowmaster®. The resonators are designed for use in conjunction with Flowmaster Mufflers for improved sound reduction and minimize interior resonance.
      Reduce Interior ResonanceWork with Flowmaster Mufflers
      $82.05 - $128.60
    • Flowmaster® Scavenger Series Outlaw II Race Collector Muffler
      (0 reviews)
      # 23297627
      Universal Scavenger Series Outlaw II Race Collector Muffler by Flowmaster®. These Delta Force Mufflers are designed to attach directly to the exhaust header primary tubes, replacing the collector in sprint and drag racing...
      Race Proven TechnologyAttach to Exhaust Header Primary Tubes
      $193.46 - $215.08
    • Flowmaster® Super 10 Series Delta Flow™ Stainless Steel Muffler
      (5 reviews)
      # 897126
      Universal Super 10 Series Delta Flow™ Stainless Steel Muffler by Flowmaster®, AGGRESSIVE SOUND, 4" Thick x 9.75" Wide x 5.50" Case Length x 12.50" Overall Length. If you want to be arrested, you should mount this muffler on your...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $75.67
    • Flowmaster® Super 40 Series Delta Flow™ Muffler
      (0 reviews)
      # 897132
      Universal Super 40 Series Delta Flow™ Muffler by Flowmaster®, AGGRESSIVE SOUND, 5" Thick x 10" Wide x 13.50" Case Length x 19.50" Overall Length. The Super 40 Series Delta Flow Mufflers are developed from the Top Ten muffler...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $108.05 - $112.77
    • Flowmaster® Super 44 Series Delta Flow™ Muffler
      (5 reviews)
      # 897136
      Universal Super 44 Series Delta Flow™ Muffler by Flowmaster®, AGGRESSIVE SOUND, 4" Thick x 9.75" Wide x 13" Case Length x 19" Overall Length. The Super 44 has the deepest, richest, most aggressive muscle tone of all 4” street...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $86.41 - $97.26
    • Flowmaster® Super HP-2™ Stainless Steel Performance Muffler
      (0 reviews)
      # 15943155
      Universal Super HP-2™ Stainless Steel Performance Muffler by Flowmaster®, 4" Thick x 5" Wide. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would expect from our laminar...
      Stainless Steel ConstructionDyno Tuned For Maximum Performance
      $113.47 - $183.71
    • MagnaFlow® Black Series Stainless Steel Muffler with Tip
      (0 reviews)
      # 70984949
      Universal Black Series Stainless Steel Muffler with Tip by MagnaFlow®. Inlet Diameter: 2.25". Outlet Diameter: 4". MagnaFlow Performance mufflers are 100% stainless steel and lap-joint welded for solid construction and rugged...
      Great Sound - Has A Smooth Deep ToneMade of High Quality Stainless Steel
      $219.24 - $247.94
    • MagnaFlow® Black Series Stainless Steel Oval Muffler
      (0 reviews)
      # 71080431
      Universal Black Series Stainless Steel Oval Muffler by MagnaFlow®. Inlet Diameter: 2.25". Overall Length: 24". MagnaFlow Performance mufflers are 100% stainless steel and lap-joint welded for solid construction and rugged...
      Great Sound - Has A Smooth Deep ToneMade of High Quality Stainless Steel
      $242.39 - $303.53
    • MagnaFlow® Glass Pack Red Coated Aluminized Steel Muffler
      (0 reviews)
      # 61459909
      Universal Glass Pack Red Coated Aluminized Steel Muffler by MagnaFlow®. The Glass Pack Mufflers have the same high performance optimizing, straight-through design as the more expensive MagnaFlow mufflers. They are made in...
      Red Coated 100% aluminized steelNon-fiberglass acoustic packing material
      $35.14 - $51.26
    • Borla® Heavy Duty Stainless Steel Round Muffler
      (0 reviews)
      # 25728296
      Universal Heavy Duty Stainless Steel Round Muffler by Borla®, 3" Center Inlet / 3" Center Outlet. Get increased performance and the aggressive sound of power with this Heavy Duty Stainless Steel Round Muffler. This muffler includes...
      Increased exhaust flow for better performanceDefinite performance tone at cruise with a throaty, aggressive sound during acceleration
      $209.99
    • Borla® S-Type™ Stainless Steel Round Muffler
      (13 reviews)
      # 25728287
      Universal S-Type™ Stainless Steel Round Muffler by Borla®. Get increased performance and the aggressive sound of power with this Universal S-Type Muffler. This is the same style austenitic stainless steel straight through muffler...
      Increased exhaust flow for better performanceDefinite performance tone at cruise with a throaty, aggressive sound during acceleration
      $175.99
    • Borla® Transverse Flow™ Stainless Steel Oval Muffler
      (0 reviews)
      # 961975
      Universal Transverse Flow™ Stainless Steel Oval Muffler by Borla®, 5.5" Thick x 10.25" Wide x 19" Case Length. Get increased performance and the aggressive sound of power with this Transverse Flow Stainless Steel Oval Muffler....
      $285.99




    Guides & Articles

    • Performance Parts
      Engines have often been compared to air pumps, because the engine that’s most efficient in terms of economy and power is the one that can get air in and out of its cylinders the easiest. That’s why most performance modifications like conical air filters, cold air intake systems, headers, and cat-back exhaust systems are aimed at making the intake and exhaust systems less restrictive. These parts increase the flow of air into the engine and ease the flow of exhaust gas out of the engine. Among these components, headers may be the most difficult to install. In this article, we’ll discuss what headers do, their different types, and how much performance they can add to your car.
    • Performance Parts
      You may be wondering why so many aftermarket performance exhaust system manufacturers are offering dual exhaust systems connected by "H-pipe" or "X-pipe" sections. After all, aren't two separate pipes, or so-called "true duals", the best for performance? The answer is no, but to understand why we have to examine how a typical internal combustion engine works.
    • Performance Parts
      It's an age-old question that many have asked. Will an aftermarket exhaust be worth the expense? While they definitely can be, an important question to ask yourself is do you care more about the deeper sound they’re designed to produce, or the added performance gained from being less restrictive? As car enthusiasts, we’ve become accustomed to associating the sound of a car with its exhaust. After all, doesn’t everyone have a childhood memory or two of a car and the particular sound it made?
    • Performance Parts
      Regardless of whether you're shopping for a simple replacement muffler that delivers original equipment (OE) sound and performance or an upgraded muffler which provides a deeper growl with increased power through freer exhaust flow, you'll see choices between "direct fit" mufflers and "universal" mufflers. In this article, we'll help you understand the differences between these two styles so you can make a more informed purchase.

    Popular Products

    2005 Cadillac STS Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 1 reviews
    4.3 of 5
    Fits Like a Glove
    Great product. Better than O.E.M. Did not have to adjust anything with exhaust pipes to make this fit. I would suggest buying the gasket between Manifold and catalytic converter. Does not come with this kit. I rate the ease of installation low because it's very difficult to get to on my Cadillac.
    RPosted by Randi (Frisco, TX) /
    2006 Cadillac STS
    Was this review helpful for you? Yes
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