2008 GMC Sierra Performance Headers

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    • Flowmaster® Scavenger Series Shorty Elite Headers
      (0 reviews)
      # 41955859
      GMC Sierra 1500 4.8L / 5.3L / 6.0L 2008, Scavenger Series Ceramic Coated Shorty Elite Headers by Flowmaster®, 2.5" Outlet. 1.63" Tubing. Includes Bolts and Studs. Replace your restrictive factory exhaust manifolds with these...
      Increases horsepower and torqueImproves engine efficiency and throttle response
      $662.32
    • Gibson® Performance Header
      (1 reviews)
      # 3729194
      GMC Sierra without EGR without Air Injection 2008, Performance Header by Gibson®. Let your engine breathe and gain power and performance with Gibson Performance Headers. These headers will flow much more exhaust than your...
      Increases low and mid-range horsepower and torqueIncreases engine efficiency
      $378.39 - $521.65
    • Banks® TorqueTube™ Exhaust Manifold System
      (0 reviews)
      # 3145707
      GMC Sierra W/O Air Injection 2008, TorqueTube™ Exhaust Manifold System by Banks®. Includes Intake, TransferTube, Air Filter, Filter Housing, Head Shield, Exhaust Manifolds, Y-Pipe, Muffler, Exhaust. Cast OEM exhaust manifolds...
      $586.07
    • BBK® CNC-Series™ Headers with Air Fitting Connectors
      (0 reviews)
      # 55186886
      GMC Sierra 6.0L 2008, CNC-Series™ Headers with Air Fitting Connectors by BBK®. Gain 15-20 dyno-proven horsepower at the rear wheels just by bolting on a set of BBK long tube, full length headers. These premium headers are CAD...
      Dyno testing results show a typical increase of 15-20 horsepower at the rear wheelsDeveloped using CAD (Computer Aided Design) software
      $369.99 - $469.99
    • aFe® Twisted Steel Headers without Catalytic Converters
      (0 reviews)
      # 46178728
      GMC Sierra 1500 4.8L / 5.3L / 6.0L 2008, Twisted Steel Headers without Catalytic Converters by aFe®. The new Twisted Steel performance header from aFe Power is redefining the header industry with the new pulse control technology....
      Optimized Tube Lengths Improve Flow and Performance100% hand MIG-welded construction ensures optimal strength and durability
      $795.00
    • Bosal® Exhaust Flange Gasket
      (0 reviews)
      # 36898610
      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
      $9.13
    • Dorman® Exhaust Manifold Hardware Kit
      (0 reviews)
      # 16499317
      GMC Sierra 4.8L / 5.3L / 6.0L 2008, Exhaust Manifold Hardware Kit by Dorman®, 1 Pieces. This is an aftermarket part that replaces factory OE # 11518860, 11609481, 6506775-AA, 6507423-AA, 6507938-AA. Material: Metal. Packaging Type:...
      Direct replacement for a proper fit every timeDurable steel construction
      $8.88
    • Standard® Exhaust Temperature Sensor
      (0 reviews)
      # 44932904
      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
      $43.01 - $49.07
    • Taylor Cable® Seal-4-Good™ Exhaust Header Gaskets
      (0 reviews)
      # 9384911
      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...
      $33.74
    • Dorman® Exhaust Manifold
      (0 reviews)
      # 16499337
      GMC Sierra 2008, Exhaust Manifold by Dorman®, 1 Pieces. Packaging Type: Box. 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...
      Includes heat-shield for protection of hoses, wiring, and other engine componentsCast iron or stainless tubular construction protects against warping and/or cracking
      $68.00 - $117.91
    • Victor Reinz® Exhaust Manifold Gasket
      (1 reviews)
      # 24143976
      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...
      $14.35 - $28.46
    • Taylor Cable® D.E.T.I.™ Digital Exhaust Temperature Indicator with Probe
      (0 reviews)
      # 9786114
      Universal D.E.T.I.™ Digital Exhaust Temperature Indicator with Probe by Taylor Cable®. Taylor Cable makes exhaust manifold and collector gaskets that will withstand the temperatures generated by turbocharged motors, and exhaust...
      Modified engines have hotter exhaustBetter materials help seal poorly-mating flanges better.
      $152.54 - $573.00
    • Flowmaster® Aluminized Steel Header Collector Ball Flange Kit
      (0 reviews)
      # 468746
      Universal Aluminized Steel Header Collector Ball Flange Kit by Flowmaster®, Sold in Pairs. The Collector Ball Flange takes the place of the messy three-bolt connections and ensures a leak-free and connection. The ball type...
      Replaces Messy 3-Bolt Flange ConnectionEnsures Leak Free Connection
      $97.60
    • Mr. Gasket® Reflect-A-Tape
      (0 reviews)
      # 12129567
      Universal Reflect-A-Tape by Mr. Gasket®. Look to Mr. Gasket first for exhaust system gaskets, of course. But they have other exhaust system components to offer as well.
      Gaskets are Mr. Gasket’s heritage and corporate specialtyGasket material in sheets allow you to make your own gaskets when no premade gasket is available
      $33.24 - $35.87
    • Spectre Performance® Exhaust Header Reducer
      (1 reviews)
      # 12056627
      Universal Exhaust Header Reducer by Spectre Performance®. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market proven on the racetrack! All products...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $16.70
    • Taylor Cable® Exhaust Insulation Wrap
      (0 reviews)
      # 9786216
      Universal Exhaust Insulation Wrap by Taylor Cable®. Exhaust wraps help to retain heat in your exhaust system, which increases Horsepower while reducing radiant heat damage, especially to spark plug wires in header applications.
      Helps to Increase HorsepowerMade of High Quality materials
      $23.35 - $107.51
    • Spectre Performance® Header Bolt
      (1 reviews)
      # 12061779
      Universal Header Bolt by Spectre Performance®. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market proven on the racetrack! All products are...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $8.35 - $16.70

    2008 GMC Sierra Models
    • 2008 GMC Sierra 1500 SL Performance Headers
    • 2008 GMC Sierra 1500 SLE Performance Headers
    • 2008 GMC Sierra 1500 SLT Performance Headers
    • 2008 GMC Sierra 1500 WT Performance Headers
    • 2008 GMC Sierra 2500 HD SLE Performance Headers
    • 2008 GMC Sierra 2500 HD SLT Performance Headers
    • 2008 GMC Sierra 2500 HD WT Performance Headers
    • 2008 GMC Sierra 3500 HD SLE Performance Headers
    • 2008 GMC Sierra 3500 HD SLT Performance Headers
    • 2008 GMC Sierra 3500 HD WT Performance Headers