2008 GMC Sierra Performance Exhaust Systems

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    • (0 reviews)
      $136.21from $108.97 - $127.64
      GMC Sierra 2008, Ultra Flo™ Muffler by DynoMax®. Dyno proven to flow up to 2 SCFM and support up to 2 horsepower. This muffler features straight-through design for unrestricted exhaust flow and a dyno-proven increase in power. It...
      Unrestricted, straight-through design for a dyno-proven increase in horsepower and torqueEngineered to give your car a deep performance tone
      # 18223336
    • (0 reviews)
      $110.60$88.48
      GMC Sierra 4.8L / 5.3L 134.0" Wheelbase / 143.5" Wheelbase 2008, VT™ Muffler by DynoMax®. 3" Center Inlet / 3" Offset Outlet. 14" Body Length, 9.75" Body Width, 4.5" Body Height. No Reversible. The revolutionary DynoMax VT...
      Unrestricted, straight-through design for a dyno-proven increase in horsepower and torqueExclusive DynoMax Valve Technology delivers on-demand, drone-free performance and sound
      # 51847737
    • (0 reviews)
      $81.25$65.00
      GMC Sierra 2500 HD / 3500 6.6L Turbocharged 2008, Exhaust Tip by aFe®. This stylish exhaust tip will be the finishing touch for any exhaust system. Made of the finest stainless steel, it's available in a highly polished finish or...
      # 1066710
    • (0 reviews)
      $37.96from $30.37 - $34.72
      GMC Sierra 2008, Exhaust Tip by DynoMax®. Includes Stainless Steel Clamps. These clamp-on stainless steel exhaust tips come in a variety of styles and sizes to make it easy for you to bolt on a custom look. Available in single or...
      304 Stainless Steel construction for longevity and corrosion resistanceMirror Polished for a show-like shine
      # 18218414
    • (0 reviews)
      $149.99$119.99
      GMC Sierra 2500 HD / 3500 HD Duramax 6.6L 2008, Black Aluminized Steel Diesel Downpipe by MBRP®, 3" Diameter. This large-diameter downpipe is the ultimate in free-flowing exhaust. Connecting directly to the turbine outlet, it makes...
      4" diameter throughout, with smooth, constant-diameter bendsShortens turbo lag
      # 3696187
    • (0 reviews)
      $349.99$279.99
      GMC Sierra 2500 HD / 3500 HD Duramax 6.6L 2008, Checker Plate Cover for Smokers T-Pipe by MBRP®. Install this aluminum diamond plate cover in the bed of your pickup to cover the horizontal tee of your Smoker stack-style exhaust...
      # 3696198
    • (0 reviews)
      $343.75from $275.00 - $325.97
      GMC Sierra 2500 HD / 3500 6.6L LMM 2008, Mach Force XP DPF-Delete Exhaust Race Pipe by aFe®. Eliminate the restrictive DPF for better performance with these DPF-Delete Pipes. Factory type connections allow you to return to stock...
      # 1066803
    • (0 reviews)
      $306.25from $245.00 - $298.37
      GMC Sierra 6.6L Turbocharged 2008, ATLAS Exhaust Race Pipe by aFe®. Eliminate the restrictive DPF and/or Cat for better performance with the DPF Delete Pipe and Down Pipe / Cat Delete Pipe. Factory type connections allow you to...
      # 1066564
    • (0 reviews)
      $54.40from $43.52 - $85.49
      GMC Sierra 2008, Intermediate Pipe by DynoMax®. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust job. Every component is manufactured from...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      # 18222049
    • (0 reviews)
      $30.46from $24.37 - $177.72
      GMC Sierra 2008, Tail Pipe by DynoMax®. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust job. Every component is manufactured from quality...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      # 51932178
    • (0 reviews)
      $19.46from $15.57 - $64.96
      GMC Sierra 2008, Extension Pipe by DynoMax®. With their great selection of exhaust pipes and accessories, DynoMax will provide you with everything necessary to complete the exhaust job. Every component is manufactured from quality...
      Designed to ensure unrestricted exhaust flowDirect fit – no modifications needed to install
      # 18219954
    • (0 reviews)
      $79.45from $63.56 - $145.25
      GMC Sierra 2500 HD / 3500 HD Diesel 2008, Exhaust Pipe by Diamond Eye Performance®. This products is created for those who are not afraid of the power. It is fine-tuned to deliver unrestricted power and tested against competition...
      The finest quality at a great priceOE quality parts from top original equipment and aftermarket manufacturers
      # 15960505
    • (0 reviews)
      $11.41$9.13
      GMC Sierra 3 Engine VIN code 2008, Exhaust Flange Gasket by Bosal®. Bosal has a vast selection of all necessary accessories and hardware to help you make the exhaust system installation or repair job quick and easy. Choose Bosal,...
      Constructed for a hassle-free exhaust repairEnsures a precise fit
      # 36898610
    • (0 reviews)
      $5.36$4.29
      GMC Sierra Diesel 2008, Hardware Kit by DynoMax®. Hardware and accessories are manufactured to work seamlessly with all Dynomax performance parts, making installation quick and easy. DynoMax has you covered with a full line of...
      Designed to do the exhaust job quickly and easilyOE-style fit, design, and finish
      # 18215538
    • (0 reviews)
      $26.04from $20.83 - $22.08
      GMC Sierra 6.0L 2008, Hanger by DynoMax®. DynoMax has you covered with a full line of accessories and hardware needed to do the complete exhaust job, from clamps to hangers. These small yet essential parts are available in a broad...
      Designed to do the exhaust job quickly and easilyOE-style fit, design, and finish
      # 18218959
    • (0 reviews)
      $37.31$29.85
      GMC Sierra 4.8L / 5.3L 143.5" Wheelbase 2008, Mounting Kit by DynoMax®. Left Side. Hardware and accessories are manufactured to work seamlessly with all Dynomax performance parts, making installation quick and easy. DynoMax has you...
      Designed to do the exhaust job quickly and easilyOE-style fit, design, and finish
      # 18215508
    • (0 reviews)
      $8.90from $7.12 - $12.89
      GMC Sierra 2008, Clamp by DynoMax®. DynoMax has you covered with a full line of accessories and hardware needed to do the complete exhaust job, from clamps to hangers. These small yet essential parts are available in a broad range...
      Designed to do the exhaust job quickly and easilyOE-style fit, design, and finish
      # 18217902
    • (0 reviews)
      $5.58$4.46
      GMC Sierra Diesel 2008, Gasket by DynoMax®. Graphoil Composite. 3 Bolt. Diameter: 4.50". Thickness: 0.063". Hardware and accessories are manufactured to work seamlessly with all Dynomax® performance parts, making installation...
      Designed to do the exhaust job quickly and easilyOE-style fit, design, and finish
      # 18215412
    • (0 reviews)
      $80.24from $64.19 - $111.31
      GMC Sierra 2008, Exhaust Manifold by Dorman®. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a complete installation. Since this part is a direct replacement, the exact...
      Includes heat-shield for protection of hoses, wiring, and other engine componentsCast iron or stainless tubular construction protects against warping and/or cracking
      # 16499337
    • (0 reviews)
      $374.60from $299.68 - $462.32
      GMC Sierra 6.0L 2008, Direct Fit Catalytic Converter by Walker®. This catalytic converter is constructed specially for your vehicle to directly replace the original equipment part and comes ready to install. The part is designed to...
      Designed to meet your vehicle’s specific emissions requirementsDirect fit replacement
      # 8743288
    • (0 reviews)
      $119.16from $95.33 - $115.29
      GMC Sierra 2008, 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 reduction...
      Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields
      # 17729649
    • (0 reviews)
      $1,876.05$1,500.84
      GMC Sierra 2008, Diesel Particulate Filter 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...
      Makes installation quick and easyOptimal OE-style fit and quality
      # 18131304
    • (0 reviews)
      $101.63from $81.30 - $223.61
      GMC Sierra 2008, 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
      # 18179001
    • (0 reviews)
      $58.54from $46.83 - $121.62
      GMC Sierra 2008, Extension 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
      # 18138832
    • (0 reviews)
      $80.86$64.69
      GMC Sierra 3500 HD Crew Cab 2008, Intermediate Pipe by Walker®. Finish - Aluminized, 14" Overall Length, 1 Inlets, Inlet Connection Type - 3 Bolt Welded Flange, 1 Outlets, Outlet Connection Type - 3 Bolt Welded Flange, 1 Inlet, 1...
      Designed to directly replace the factory partMade with precision benders and fixture checked
      # 18158014
    • (0 reviews)
      $52.06from $41.65 - $201.01
      GMC Sierra 2008, 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
      # 33425930
    • (0 reviews)
      $46.85from $37.48 - $45.93
      GMC Sierra 6.6L 2008, Exhaust Temperature Sensor by Standard®, Use 1 per Car. 2 Terminals. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 44932904
    • (0 reviews)
      $32.60from $26.08 - $30.70
      GMC Sierra 1500 WT V6 4.3L X Engine VIN Code 2008, 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...
      # 9384911
    • (0 reviews)
      $15.58from $12.46 - $25.96
      GMC Sierra 2008, 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
      # 19061480
    • (0 reviews)
      $17.94from $14.35 - $28.46
      GMC Sierra 2008, Exhaust Manifold Gasket by Victor Reinz®, Use 1 per Car. OEM Standard. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But before you...
      # 24143976
    • (0 reviews)
      $16.05$12.84
      GMC Sierra 2008, Bolt Kit 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
      # 35472571
    • (0 reviews)
      $12.45$9.96
      GMC Sierra 1500 2008, Exhaust Flange Stud and Nut by Dorman®, 1 Piece. Front. This is an aftermarket part that replaces factory OE # 10220453, 11518860, 11589264, 15028620, 15096144, 15708209, 15712163, 15756879, 88891750,...
      Direct replacement for a proper fit every timeDurable steel construction
      # 31666800
    • (0 reviews)
      $6.05from $4.84 - $5.26
      GMC Sierra 2008, 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
      # 18125776
    • (0 reviews)
      $12.03from $9.62 - $18.07
      GMC Sierra 2008, Gasket 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
      # 18149905
    • (0 reviews)
      $10.33from $8.26 - $9.60
      GMC Sierra 2008, Insulator 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
      # 18160931
    • (0 reviews)
      $5.83from $4.66 - $9.52
      GMC Sierra 2008, 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 gaskets...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      # 19068139
    • (0 reviews)
      $13.03$10.42
      GMC Sierra 6.6L 2008, Exhaust Pipe Connector Gasket by Victor Reinz®, Use 2 per Car. OEM Standard. Material: Multi-Layered Steel. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the...
      # 24042207
    • (0 reviews)
      $9.58$7.66
      GMC Sierra 6.6L 2008, Exhaust Pipe Flange Gasket by Victor Reinz®, Use 1 per Car. OEM Standard. Material: Composite. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts...
      # 24042520
    • (0 reviews)
      $7.73from $6.18 - $14.56
      GMC Sierra 2008, Exhaust Seal Ring by Victor Reinz®, Use 1 per Car. OEM Standard. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But before you waste...
      # 24143904
    • (0 reviews)
      $504.00from $403.20 - $604.80
      GMC Sierra Extended Cab / Crew Cab 6.6L 2008, Sport Series DPF-Back Exhaust System by RBP®. Exhaust systems for offroad trucks can sometimes be difficult to find. Many offroaders have to resort to custom built systems which are...
      Made in Stainless Steel for DurabilityLowers Exhaust Gas Temperature
      # 42554344
    • (0 reviews)
      $94.53from $75.62 - $146.90
      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...
      # 898490
    • (0 reviews)
      $209.88from $167.90 - $267.60
      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...
      # 898450
    • (0 reviews)
      $132.48from $105.98 - $230.86
      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...
      # 898479
    • (0 reviews)
      $246.58$197.26
      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.
      # 3146020
    • (0 reviews)
      $390.89$312.71
      Universal Delta Force™ Aluminized Steel Low Profile Oval Tubing Race Muffler by Flowmaster®, Aggressive Sound, 3.50" Dual Inlet / 3.50" Dual Outlet, 2.75 Thick x 11" Wide x 25" Length. The low profile mufflers are Delta Flow™...
      # 898448
    • (1 reviews)
      $111.25from $89.00 - $141.66
      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”...
      # 898456
    • (1 reviews)
      $236.09$188.87
      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...
      # 898465
    • (0 reviews)
      $234.83from $187.86 - $208.84
      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...
      # 23297627
    • (0 reviews)
      $274.15$219.32
      Universal Scavenger Series 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 applications. They...
      # 898468
    • (1 reviews)
      $108.85from $87.08 - $108.08
      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...
      # 897054
    • (0 reviews)
      $108.85$87.08
      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...
      # 897079
    • (0 reviews)
      $222.98$178.38
      Universal 50 Series Delta Flow™ Aluminized Steel Big Block Muffler by Flowmaster®, MILD SOUND, 5" Thick x 12" Wide x 22" Case Length x 28" Overall Length. The 50 Series Big Block Muffler is Flowmaster’s largest and quietest...
      # 897082
    • (0 reviews)
      $174.45$139.56
      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...
      # 897156
    • (0 reviews)
      $193.74from $154.99 - $162.66
      Universal 50 Series HD Delta Flow™ Muffler by Flowmaster®, MODERATE SOUND, 4" Thick x 9.75" Wide x 18" Case Length x 23" Overall Length. The 50 Series HD Delta Flow mufflers are big mufflers for big trucks. With 4” internal...
      # 897102
    • (0 reviews)
      $163.98$131.18
      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...
      # 897052
    • (0 reviews)
      $190.19$152.15
      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...
      # 897109
    • (0 reviews)
      $183.63from $146.90 - $205.66
      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...
      # 897161
    • (5 reviews)
      $87.49from $69.99 - $73.44
      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...
      # 897126
    • (0 reviews)
      $131.15from $104.92 - $109.49
      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...
      # 897132
    • (3 reviews)
      $104.88from $83.90 - $94.44
      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...
      # 897136