2008 GMC Sierra Performance Headers

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    • Flowmaster® Scavenger Series 4-1 One-Piece Style Shorty Elite Headers
      (0 reviews)
      # 1264157
      GMC Sierra 1500 4.8L / 5.3L / 6.0L 2008, Scavenger Series 4-1 One-Piece Style Ceramic Coated Shorty Elite Headers by Flowmaster®. Sema Emissions Code: 1. High Temperature Ceramic Coating. Inlet Port Shape: Round. Outlet Diameter:...
      Increases horsepower and torqueImproves engine efficiency and throttle response
      $599.00
    • 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
      $476.50 - $656.89
    • 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...
      Shorty style fits in stock engine bayStainless steel for long service life
      $586.07
    • BBK® CNC-Series™ Headers with Air Fitting Connectors
      (0 reviews)
      # 79636978
      GMC Sierra 6.0L 2008, Exhaust Headers with Air Fitting Connectors by BBK®. 1.75" Diameter. Full length headers increase exhaust flow and provide optimal cylinder scavenging for improved power and performance. CAD designed and dyno...
      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)
      # 46178581
      GMC Sierra 1500 4.8L / 5.3L / 6.0L Vortec 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...
      Optimized Tube Lengths Improve Flow and Performance100% hand MIG-welded construction ensures optimal strength and durability
      $795.00
    • Dynatech® SuperMAXX Stainless Steel Headers
      (0 reviews)
      # 61930417
      GMC Sierra 2008, SuperMAXX Stainless Steel Headers by Dynatech®. 1 Pair. SuperMAXX Stainless Long Tube Headers are an excellent way to bolt on Hp and Ft. Lbs. of Tq. to your vehicle. Although a tune is recommended, these power...
      $852.99
    • PaceSetter® Mild Steel Exhaust Header
      (0 reviews)
      # 81960587
      GMC Sierra 1500 2008, by PaceSetter®. Mild Steel. Manufactured using mandrel-bent, 16-gauge mild steel tubing and port-matched, CNC-machined, 3/8"-thick head flanges. They are designed for the best combination of ease of...
      $256.71 - $580.31
    • Cometic Gasket® 0.030" MLS Exhaust Head Gasket
      (0 reviews)
      # 61592973
      GMC Sierra Gas 4.8L / 5.3L / 6.0L 2008, 0.030" MLS Exhaust Head Gasket by Cometic Gasket®. Compressed Thickness: 0.030". Port Style: LS1. Cometic MLS Gaskets are comprised of multiple layers of stainless steel providing a even load...
      $37.99
    • Merchant Automotive® Exhaust Manifold Gasket
      (0 reviews)
      # 74449575
      GMC Sierra Duramax Engine 2008, Exhaust Manifold Gasket by Merchant Automotive®.
      $38.00
    • Magnum Gasket® Exhaust Manifold Gasket Set
      (0 reviews)
      # 82719857
      GMC Sierra 2008, Exhaust Manifold Gasket Set by Magnum Gasket®. Standard. Magnum's Gasket engineers have utilized their many years of engine sealing experience to select the right technology choice for each of the Intake Manifold...
      $10.91 - $12.60
    • 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...
      $29.58 - $33.74
    • Dorman® Exhaust Manifold
      (0 reviews)
      # 16499337
      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...
      Cast iron or stainless tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $64.60 - $110.79
    • Dorman® Exhaust Manifold Hardware Kit
      (0 reviews)
      # 84270493
      GMC Sierra 4.8L / 5.3L / 6.0L 2008, Exhaust Manifold Hardware Kit by Dorman®. Size: M8-1.25 x 30mm; Package Quantity: 1. More like a complete kit than a single part, many of the Exhaust Manifolds include gaskets and hardware for a...
      Cast iron or stainless tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance
      $8.84
    • ACDelco® GM Original Equipment™ Exhaust Manifold Gasket
      (0 reviews)
      # 71583235
      GMC Sierra 4.8L / 5.3L / 6.0L 2008, GM Original Equipment™ Exhaust Manifold Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.16
    • Standard® Exhaust Temperature Sensor
      (0 reviews)
      # 80956854
      GMC Sierra 6.6L 2008, Exhaust Temperature Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $45.32 - $49.76
    • 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
    • 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...
      $13.88 - $28.46
    • Victor Reinz® Exhaust Seal Ring
      (0 reviews)
      # 24143904
      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...
      $6.01 - $14.09
    • DNJ Engine Components® Exhaust Manifold Gasket Set
      (0 reviews)
      # 81852556
      GMC Sierra 1500 4.8L / 5.3L / 6.0L 2008 Exhaust Manifold Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $12.41
    • Dorman® Exhaust Manifold Clamp
      (0 reviews)
      # 84270499
      GMC Sierra Diesel 2008, Exhaust Manifold Clamp by Dorman®. Easily repair exhaust leaks without removing broken manifold bolts with Dorman’s Exhaust Manifold to Cylinder Head Repair Clamp. This Manifold Repair Clamp attached to...
      Eliminates the need to remove cylinder head, saving you time and moneyIncludes clamp and bolts for a complete repair
      $28.10 - $47.82
    • 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
      $99.00
    • Vibrant Performance® J-SPEC Header Outlet Flange Kit (2599)
      (0 reviews)
      # mpn458111276
      Universal J-SPEC Header Outlet Flange Kit by Vibrant Performance®. This kit consists of a 2-bolt connecting flange (with a flared outlet neck) and a 2.5" ID donut style Graphite Gasket. Features 45 mm O.D. primaries that exit...
      Made of High Quality MaterialsDirect Fit
      $48.09
    • Vibrant Performance® Stainless Steel Merge Collectors
      (0 reviews)
      # 78902863
      Universal Stainless Steel Merge Collectors by Vibrant Performance®. Vibrant Performance offers a comprehensive, high quality and affordably priced range of T304 Stainless Steel Merge Collectors to help free up maximum horsepower...
      Help free up maximum horsepowerEasy To Use
      $71.95 - $267.54
    • Dynatech® Ceramic Coated High-Flow Slip On Collector
      (0 reviews)
      # 84198000
      Universal Ceramic Coated High-Flow Slip On Collector by Dynatech®. 1 Piece. Dynatech High-Flow Slip On Collectors are designed with maximum exhaust flow in mind. With a High-Flow long transition area, these collectors maximize flow...
      $129.99
    • Dynatech® High-Velocity Merge Collector
      (0 reviews)
      # 84198003
      Universal High-Velocity Merge Collector by Dynatech®. 1 Piece. Dynatech Merge Collectors are an excellent way to maximize the potential of your exhaust system. When your exhaust system requires the maximum horsepower, a set of...
      $269.99 - $289.99
    • Dynatech® High-flow Slip On Collector, 12.00" Long 2.375" Inlet 4.50" Outlet (783-81245)
      (0 reviews)
      # mpn358945729
      Universal High-flow Slip On Collector, 12.00" Long 2.375" Inlet 4.50" Outlet by Dynatech®. 1 Piece. Dynatech High-flow Slip On Collectors are designed with maximum exhaust flow in mind. With a High-flow long transition area, these...
      $68.99
    • BTP® 3" Header Reducer (6070)
      (0 reviews)
      # mpn753352383
      Universal 3" Header Reducer by BTP®. This premium quality part by BTP helps your exhaust system to perform at its full efficiency as well as provide your vehicle with a more aggressive and powerful sound. This part is made from...
      Engineered to make your exhaust system perform at its peakProvides a powerful and aggressive sound
      $7.09
    • Flowmaster® Scavenger Series Y-Collector
      (1 reviews)
      # 469150
      Universal Scavenger Series Y-Collector by Flowmaster®. The patented Scavenger Y-Collector is based on the principles of Pulse Technology. They are designed to harmonize the exhaust pulses from two cylinders that are at the opposite...
      Race Proven TechnologyPatented Design that Creates Low Pressure Zones for Better Scavenging
      $46.99 - $70.30
    • Dynatech® 3.5" 410 Serie Elbow Kit (780-41051)
      (0 reviews)
      # mpn358945720
      Universal 3.5" 410 Serie Elbow Kit by Dynatech®. This is the elbow kit specifically designed for use with Dynatech Pavement Late Model Headers that have a 3.50" standard collector. (Part numbers: 711-41010, 712-41010 & 733-41010)...
      $105.99
    • Dynatech® 3.5" Elbow Kit with Merge Collector (780-41052)
      (0 reviews)
      # mpn358945721
      Universal 3.5" Elbow Kit with Merge Collector by Dynatech®. This is the elbow kit specifically designed for use with Dynatech Pavement Late Model Headers that have a 3.50" merge collector. (Part numbers: 711-41010, 712-41010 &...
      $109.99
    • Dynatech® 80 Degree Elbow
      (0 reviews)
      # 84197998
      Universal 80 Degree Elbow by Dynatech®. 1 Piece. Mandrel Bent 80 Degree Elbow. Specifically designed for use with Dynatech Dirt Late Model Headers. This is an excellent way to get the exhaust routed inside the sheet metal on the...
      $27.99
    • APEXi® 2-Bolt Oval Exhaust Gasket
      (0 reviews)
      # 79118467
      Universal 2-Bolt Oval Exhaust Gasket by APEXi®. Replacement exhaust gaskets for APEXi exhaust systems. Constructed of a metal center layer with composite outer layer to withstand high temperatures and improve sealing. By replacing...
      $6.80
    • APEXi® 3-Bolt Triangle Exhaust Gasket, D66 (199-A020)
      (0 reviews)
      # mpn470412210
      Universal 3-Bolt Triangle Exhaust Gasket, D66 by APEXi®. Replacement exhaust gaskets for APEXi exhaust systems. Constructed of a metal center layer with composite outer layer to withstand high temperatures and improve sealing. By...
      $6.80
    • Schoenfeld Headers® Header Bolts
      (0 reviews)
      # 87258410
      Universal Header Bolts by Schoenfeld Headers®.
      $10.31 - $12.78
    • Schoenfeld Headers® Header Tab Kits (4003-6)
      (0 reviews)
      # mpn359116205
      Universal Header Tab Kits by Schoenfeld Headers®. 12 Tabs, 6 Bolt, 6 Lock Nut, 12 Washers.
      $23.38
    • BTP® Exhaust Wrap (3814)
      (0 reviews)
      # mpn753352168
      Universal Exhaust Wrap by BTP®. This premium quality part by BTP helps your exhaust system to perform at its full efficiency as well as provide your vehicle with a more aggressive and powerful sound. This part is made from durable...
      Engineered to make your exhaust system perform at its peakProvides a powerful and aggressive sound
      $25.69
    • BTP® Header Collector Gasket
      (0 reviews)
      # 69343102
      Universal Header Collector Gasket by BTP®. This premium quality part by BTP helps your exhaust system to perform at its full efficiency as well as provide your vehicle with a more aggressive and powerful sound. This part is made...
      Engineered to make your exhaust system perform at its peakProvides a powerful and aggressive sound
      $1.41 - $1.83
    • 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
      $25.47 - $39.75
    • 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
      $9.45 - $14.20
    • Cometic Gasket® Exhaust Gasket
      (0 reviews)
      # 81471720
      Universal Exhaust Gasket by Cometic Gasket®.
      $10.80


    2008 GMC Sierra Performance Headers Reviews

    Average rating:  4.5  4.5 - 77 reviews
    4 of 5
    Supper Cool Sound!
    I bought this for my Mitsubishi and it sounds awesome! It's got a 3.5 l v6 and it makes it sound like its very souped up! And almost like it has a v8 in it. I couldn't be more happy with this product the sound will blow your mind on whatever you choose to put it on whether it be a six cylinder like I put it on or a v8 very much recommend this product if you want a really nearly sound.
    SPosted by Shawn (Shakopee, MN) /
    Was this review helpful for you? Yes
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