1981 Buick Century Performance Exhaust Systems

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    • Pypes® Cat-Back Exhaust System with Race-Pro Mufflers
      (0 reviews)
      # 68925254
      Buick Century 1981, Cat-Back Exhaust System by Pypes®. 2.5" Tubing. Includes Race-Pro Mufflers. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up engine...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $397.74 - $401.00
    • Pypes® Cat-Back Exhaust System with Street-Pro Mufflers
      (0 reviews)
      # 68925257
      Buick Century 1981, Cat-Back Exhaust System by Pypes®. 2.5" Tubing. Includes Street-Pro Mufflers. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up engine...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $397.74 - $401.00
    • Pypes® Cat-Back Exhaust System with Violator Mufflers
      (0 reviews)
      # 68925260
      Buick Century 1981, Cat-Back Exhaust System by Pypes®. 2.5" Tubing. Includes Violator Mufflers. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up engine...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $397.74 - $401.00
    • Pypes® Cat-Back Exhaust System without Mufflers
      (0 reviews)
      # 68925239
      Buick Century 1981, Cat-Back Exhaust System by Pypes®. 2.5" Tubing. Without Muffler. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up engine power and...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $318.26 - $322.30
    • Pypes® Cat-Back X-Pipe Exhaust System with Dual Side Exit Tailpipes
      (0 reviews)
      # 68924638
      Buick Century 1981, Cat-Back X-Pipe Exhaust System with Dual Side Exit Tailpipes by Pypes®. 2.5" Tubing. Includes Dual Side Exit Tailpipes. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $321.48
    • Pypes® Header-Back Exhaust System with X-Pipe
      (0 reviews)
      # 68924637
      Buick Century 1981, Header-Back Exhaust System with X-Pipe by Pypes®. 2.5" Tubing. Includes X-Pipe. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $348.11
    • Pypes® Header-Back X-Pipe Exhaust System with Race-Pro Mufflers and X-Pipe
      (0 reviews)
      # 68925242
      Buick Century 1981, Header-Back X-Pipe Exhaust System by Pypes®. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up engine power and torque as well as...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $371.93 - $504.25
    • Pypes® Header-Back X-Pipe Exhaust System with Street-Pro Mufflers
      (0 reviews)
      # 68925250
      Buick Century 1981, Header-Back X-Pipe Exhaust System by Pypes®. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up engine power and torque as well as...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $371.93 - $504.25
    • Pypes® Header-Back X-Pipe Exhaust System with Violator Mufflers
      (0 reviews)
      # 68925246
      Buick Century 1981, Header-Back X-Pipe Exhaust System by Pypes®. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up engine power and torque as well as...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $371.93 - $504.25
    • Pypes® Header-Back X-Pipe Exhaust System with X-Pipe
      (0 reviews)
      # 68924639
      Buick Century 1981, Header-Back X-Pipe Exhaust System with X-Pipe by Pypes®. 3" Tubing. Includes X-Pipe. Get a lot of bang for your performance buck with this rewarding exhaust system by Pypes Exhaust. It's a perfect way to beef up...
      Designed to deliver the ultimate in sound and performanceProvides extra punch in the passing lane and improves mileage
      $403.14
    • Flowmaster® 220 Series Stainless Steel Oval Catalytic Converter
      (0 reviews)
      # 868831
      Buick Century 3.8L / 4.3L 1981, 220 Series Stainless Steel Oval Catalytic Converter by Flowmaster®, 2.25" Inlet / 2.25" Outlet. 14" Length. 6.13" Width. Includes Heat Shield, Air Tube, 4 Bolt Flanges. Without Hangers. The new...
      Exceed all federal emission standardsStainless Steel shells
      $66.56
    • MagnaFlow® Direct Fit Pre-OBDII Catalytic Converter
      (0 reviews)
      # 61587147
      Buick Century 3.8L / 4.3L 1981, Direct Fit Pre-OBDII Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check and give you more horsepower. This converter will directly...
      Increases exhaust flow compared to original factory converterIncreased exhaust flow allows your engine to make more power
      $126.55 - $244.21
    • Bosal® Catalytic Converter
      (0 reviews)
      # 36756739
      Buick Century 3.8L / 4.3L 1981, Catalytic Converter by Bosal®. If you’re in need of a replacement catalytic converter, you can’t do better than Bosal. They’re a leading supplier to vehicle manufacturers and use advanced...
      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
      $94.03
    • Pypes® Downpipe
      (0 reviews)
      # 68925263
      Buick Century 1981, Downpipe by Pypes®. Upgrade your exhaust system with the superior Pypes Exhaust accessory that will help unleash your engine's beast in no time flat. Demonstrating both premium quality and craftsmanship, this...
      Superior upgrade for your exhaust systemDesigned to provide outstanding performance
      $118.49
    • Pypes® X-Change Kit
      (0 reviews)
      # 68925235
      Buick Century 1981, X-Change Kit by Pypes®. High quality, exceptional design and performance define Crossover product line. They are a proven winner when it comes to bumping up the horsepower of your daily driver or race car.
      Superior upgrade for your exhaust systemDesigned to provide outstanding performance
      $182.78 - $274.63
    • Walker® Aluminized Tail Pipe
      (0 reviews)
      # 60804119
      Buick Century V6 1981, Aluminized Tail Pipe by Walker®. 1.75" Inlet Diameter, 10.5" Length. Walker® offers a compltete line-up of exhaust products for todays medium-duty, heavy-duty and comercials vehicles. With their extensive...
      Makes installation quick and easyOptimal OE-style fit and quality
      $16.25
    • Hooker® Super Competition™ Fiber Header Gasket
      (0 reviews)
      # 64167689
      Buick Century Diesel 1981, Super Competition™ Fiber Header Gasket by Hooker®. 0.070" Thick. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $12.76
    • BBK® Header Gasket Set
      (0 reviews)
      # 55185000
      Buick Century 5.0L 1981, Header Gasket Set by BBK®. These premium steel core graphite gaskets are flexible for a long lasting leak-proof seal even when cylinder head and header flange surfaces aren’t perfectly flat. They can...
      Provides a long lasting, leak-proof sealFlexible graphite will conform to surface irregularities and won’t stick to headers or cylinder head
      $39.99
    • Walker® Direct Fit Catalytic Converter
      (0 reviews)
      # 17735710
      Buick Century 1981, Direct Fit Catalytic Converter by Walker®. Body Dimensions - 10" L x 6.125" W x 4.25" H, Material - SS (Body) / Ceramic (Substrate), Body Shape - Standard Oval, Direct Fit, Connection Type - Pipe Inlet...
      Emission Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)
      $97.69
    • Walker® Universal Fit Catalytic Converter
      (0 reviews)
      # 17724789
      Buick Century 1981, Universal Catalytic Converter by Walker®. This part features the correct load of precious metals to ensure the proper limitation of tailpipe emissions. It is designed to meet the EPA policy and emission...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      $67.00 - $119.22
    • Eastern® Direct Fit Catalytic Converter
      (0 reviews)
      # 17568565
      Buick Century 5.0L with Curved Converter System with One Air Tube 1981, Direct Fit Undercar Catalytic Converter by Eastern Catalytic®. 21.5" Overall Length. Standard. 2.25" ID. 4 Bolt Spin Type. Number of Clamps: One Clamp. If you...
      Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor
      $102.28
    • Walker® Quiet-Flow™ Muffler
      (0 reviews)
      # 35446944
      Buick Century 1981, Quiet-Flow Muffler by Walker®. Together with delivering OE-style sound, the Quiet-Flow Muffler features 100% structural stainless steel construction that resists rust three times longer than aluminized mufflers...
      Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire
      $51.00
    • Walker® SoundFX™ Direct Fit Muffler
      (0 reviews)
      # 35446946
      Buick Century 1981, SoundFX Direct Fit Muffler by Walker®. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel SoundFX Mufflers with direct fit and universal fit...
      Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
      $31.31
    • Walker® SoundFX™ Universal Muffler
      (0 reviews)
      # 35446947
      Buick Century 1981, SoundFX Universal Muffler by Walker®. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel SoundFX Mufflers with direct fit and universal fit...
      Designed to deliver ultimate performance and pleasing sound qualityUniversal fit – may require a few modifications to install
      $32.06
    • Walker® Tru-Fit Universal Fit Muffler
      (0 reviews)
      # 35446948
      Buick Century 1981, Tru-Fit Universal Muffler by Walker®. The Tru-Fit Universal Muffler is designed to provide installers and DIY users with optimum performance and quality acoustics at an affordable price. This 100% aluminized...
      Economical performance and acousticsUniversal fit allows for greater installation flexibility
      $33.03
    • Walker® Front Pipe
      (0 reviews)
      # 18134845
      Buick Century V6 1981, Front Pipe by Walker®. Finish - Aluminized, 6.125" Overall Length, 1 Inlets, Inlet Connection Type - 2 Bolt Welded Flange, 1 Outlets, 2.25" Outside Outlet Diameter, Outlet Connection Type - Pipe Connection, 1...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $32.83
    • Walker® Intermediate Pipe
      (0 reviews)
      # 35446943
      Buick Century 1981, Intermediate Pipe by Walker®. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every pipe is vehicle-specific and is manufactured...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $25.59
    • Walker® Tail Pipe
      (0 reviews)
      # 18176202
      Buick Century 1981, Tail Pipe by Walker®. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every pipe is vehicle-specific and is manufactured using...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $9.58 - $29.97
    • Walker® Y-Pipe
      (0 reviews)
      # 18183462
      Buick Century Base / Limited V8 1981, Y-Pipe by Walker®. Material - Steel, Finish - Aluminized, 20" Overall Length, 2 Inlets, Inlet Connection Type - 2 Bolt Loose Flange with Spherical Flare, 1 Outlets, 2.25" Outside Outlet...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      $87.00
    • Walker® Air Tube Kit
      (0 reviews)
      # 18117002
      Buick Century 1981, Air Tube Kit by Walker®. 1 Inlet, 1 Outlet. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When...
      Makes installation quick and easyOptimal OE-style fit and quality
      $24.06
    • Dorman® Exhaust Spring
      (0 reviews)
      # 31668339
      Buick Century 1981, Exhaust Spring by Dorman®. Packaging Type: Card. Designed for an exact fit, Dorman’s Exhaust Spring provides you with the proper flange spring for replacing the manifold. Save time and energy by having the...
      Direct replacement for a proper fit every timeDurable steel construction
      $3.74 - $4.18
    • Taylor Cable® Seal-4-Good™ Exhaust Header Gaskets
      (0 reviews)
      # 9381916
      Buick Century Limited V6 3.8L A Engine VIN Code 1981, 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...
      $33.74
    • Taylor Cable® XX Carbon™ Exhaust Header Gaskets
      (0 reviews)
      # 9387641
      Buick Century Limited V6 3.8L A Engine VIN Code 1981, 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....
      $20.92
    • Walker® Flange
      (0 reviews)
      # 18131924
      Buick Century 1981, Flange by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker...
      Makes installation quick and easyOptimal OE-style fit and quality
      $6.82 - $8.53
    • Dorman® Exhaust Flange Stud and Nut
      (0 reviews)
      # 31668330
      Buick Century 4.3L 1981, Exhaust Flange Stud and Nut by Dorman®. Dorman’s Exhaust Flange Stud & Nut provides you with the proper flange stud and nut for replacing your manifold. Save time and energy by having the right hardware...
      Direct replacement for a proper fit every timeDurable steel construction
      $4.74 - $6.76
    • Dorman® Exhaust Manifold Bolt and Spring
      (0 reviews)
      # 31536728
      Buick Century 1981, Exhaust Manifold Bolt and Spring by Dorman®, 1 Piece. Material: Metal. Packaging Type: Card. Standard Replacement, No Dog Point Fastener. 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
      $6.26 - $6.47
    • Walker® Clamp
      (0 reviews)
      # 18119806
      Buick Century 1981, Clamp by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker...
      Makes installation quick and easyOptimal OE-style fit and quality
      $1.57 - $2.40
    • Fel-Pro® Exhaust Pipe Flange Gasket
      (0 reviews)
      # 19064317
      Buick Century 1981, 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
      $9.29 - $9.68
    • Taylor Cable® Graph-Flex™ Exhaust Header Gaskets
      (0 reviews)
      # 9381748
      Buick Century Limited V6 3.8L A Engine VIN Code 1981, 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....
      $23.04
    • Flowmaster® 60 Series Delta Force Stainless Steel Race Muffler
      (0 reviews)
      # 3146020
      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
      $197.26
    • 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
      $89.00
    • Flowmaster® 60 Series Delta Flow™ Muffler
      (0 reviews)
      # 897052
      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
      $131.18
    • 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® S-Type™ Stainless Steel Round Muffler
      (12 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® XR-1™ Multicore Stainless Steel Race Muffler
      (0 reviews)
      # 959705
      Universal XR-1™ Multicore Stainless Steel Race Muffler by Borla®. The Borla XR-1 Multi-Core Muffler was developed on the race track to quiet the most severe engine noise without restricting power. They work so well that they're...
      The most possible exhaust flow in a muffler for maximum performanceQuiets the most severe engine noise, leaving a pronounced sound of power
      $244.99 - $469.99
    • 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
    • Gibson® CFT Superflow™ Oval Muffler
      (1 reviews)
      # 2060024
      Universal CFT Superflow™ Oval Muffler by Gibson®. Get optimum usable power and a deep powerful sound with a Gibson CFT Superflow Muffler. The CFT Superflow has one of the lowest restriction ratings of any muffler on the market,...
      Chambered and louvered design for increased exhaust flowDirectional louvered tuning ports for maximum exhaust flow
      $85.99 - $137.66
    • Gibson® SFT Superflow™ Round Muffler
      (2 reviews)
      # 2060137
      Universal SFT Superflow™ Round Muffler by Gibson®. Get increased exhaust flow for more power and great sound with a Gibson SFT Superflow Muffler. The SFT Superflow has one of the lowest restriction ratings of any muffler on the...
      Baffled and chambered structure for increased exhaust flowStraight through design increases exhaust flow
      $93.78 - $291.94
    • Gibson® Race Muffler
      (0 reviews)
      # 26542951
      Universal Race Muffler by Gibson®. Inspite of the large host of engineers and technicians, Gibson Performance has not lost its commitment to building cost-effective exhaust systems that deliver more performance for less spendings....
      Heavy Duty Mandrel Bent Tubing50 State Emissions Llegal
      $172.81
    • Gibson® 8" Round Muffler
      (0 reviews)
      # 26542948
      Universal 8" Round Muffler by Gibson®, 3.5" Center Inlet / 3.5" Center Outlet, 24" Length. Get increased exhaust flow for more power and great sound with a Gibson Muffler. The straight through, baffled and chambered design gives...
      Baffled and chambered structure for increased exhaust flowImproved low and mid-range performance
      $183.55 - $199.29
    • MBRP® Installer Series™ Round Muffler
      (0 reviews)
      # 3724354
      Universal Installer Series™ Aluminized Steel Round Muffler by MBRP®. Short on space under your car for a muffler? A round muffler might just be the ticket to tuck in around a drive shaft or up near the cats. Choose whether you...
      Round form factor for tight spots16GA aluminized steel
      $124.99 - $169.99
    • MBRP® Pro Series™ T304 Stainless Steel Round Muffler
      (0 reviews)
      # 14446428
      Universal Pro Series™ T304 Stainless Steel Round Muffler by MBRP®. Your car is for show and go; add a little show with this polished T304 stainless steel muffler from MBRP. The mirror finish won’t ever peel, flake or corrode....
      Dual-core designPolished T304 stainless
      $224.99 - $244.99
    • MBRP® XP Series™ Stainless Steel Round Muffler
      (1 reviews)
      # 3724348
      Universal XP Series™ T409 Stainless Steel Round Muffler by MBRP®. Short on space under your car for a muffler? A round muffler might just be the ticket to tuck in around a drive shaft or up near the cats. Choose whether you want...
      Round form factor for tight spotsPerformance or milder tone
      $95.23 - $224.99
    • MBRP® Black Series™ Round Muffler
      (0 reviews)
      # 3724351
      Universal Black Series™ Black Aluminized Steel Round Muffler by MBRP®. Black is the new chrome, so here’s a chance to build an all-black exhaust system perfect for your “murdered-out” custom car. Constructed of Aluminized...
      Spiral louver straight-through designHigh density packing ensures long life
      $149.99 - $169.99
    • MBRP® Resonator
      (0 reviews)
      # 3746758
      Universal Resonator by MBRP®. This resonator will remove freeway drone without adding backpressure to your exhaust system. You’ll appreciate the classic MBRP sound when you use this resonator.
      Straight-through designWill never corrode
      $104.99 - $159.99
    • aFe® Mach Force XP Stainless Steel Oval Muffler
      (0 reviews)
      # 4395697
      Universal Stainless Steel Oval Muffler by aFe®. You'll get increased performance and improved throttle response when you install the aFe Universal Fit 409 Stainless Steel Performance Muffler. This muffler has a deep, throaty,...
      Increased performanceImproved throttle response
      $125.00 - $135.00
    • aFe® Mach Force XP Stainless Steel Round Muffler
      (0 reviews)
      # 4372324
      Universal Stainless Steel Round Muffler by aFe®, 30" Overall Length x 8" Diameter. You'll get increased performance and improved throttle response when you install the aFe Universal Fit 409 Stainless Steel Performance Muffler. This...
      Increased performanceImproved throttle response
      $150.00 - $170.00
    • Weapon-R® Black Muffler
      (0 reviews)
      # 26065987
      Universal Black Muffler by Weapon-R®. This muffler is a part of Weapon-R’s Inter-Lock Universal Muffler System. This system allows the length and style of the Exhaust Tip to be changed.
      Fits most cars and trucksMade of Stainless Steel
      $140.00
    • Injen® Universal Muffler
      (8 reviews)
      # 379105
      Universal Muffler by Injen®. Let loose all the horsepower locked in your engine by your stock restrictive muffler, and experience the sound of that power with the Injen stainless steel universal muffler. This is the same muffler...
      Straight through muffler designManufactured from 100% 304 stainless steel
      $168.30 - $202.73
    • Spec-D® Apexi N1 Muffler
      (13 reviews)
      # 17970438
      Universal Apexi N1 Muffler by Spec-D®. Make whatever you drive run and sound like a high-performance machine with a Spec-D Exhaust System. The Spec-D system replaces your restrictive factory pipes and mufflers with large diameter...
      Dramatically improved exhaust flow compared to restrictive stock systemImproved engine breathing enables increased power output for better performance
      $32.04 - $320.40



    Guides & Articles
    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...
    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.
    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...
    Popular Popular Products
    1981 Buick Century Models
    • 1981 Buick Century Base Performance Exhaust Systems
    • 1981 Buick Century Estate Performance Exhaust Systems
    • 1981 Buick Century Limited Performance Exhaust Systems
    • 1981 Buick Century Sport Performance Exhaust Systems