GMC Headers Performance

PACESETTER QUIK-TRIP LONG TUBE HEADERS, STEEL, BLACK, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.75 in. tube diameter, 16-gauge tube wall thickness, 3 in. slip-fit collector, 0.375 in. standard head flange; With oxygen sensor fittings on all applications; Necessary gaskets and fasteners included for installation; Full-length style; Round head port; Features flash-controlled 16-gauge carbon steel primaries that provide greater durability than light gauge stainless steel and CNC-machined thick steel flanges that are matched to exhaust port profile for optimum seal and flow; Significantly boosts performance and increase engine efficiency; Made in USA.

Fits the following 2000-2006 GMC Yukon submodels:

• 2006-2006: SL; All Engines;
• 2000-2006: SLE; All Engines;

• 2000-2006: SLT; All Engines;

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GIBSON PERFORMANCE HEADERS, 409L STAINLESS STEEL, CERAMIC-COATED, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube diameter, 16-gauge tube wall thickness, stock flange connectors, 0.375 in. standard head flange; Premium gasket and installation hardware included; Shorty style; Round head port; These headers are direct fit bolt-on replacement for factory exhaust manifold; Made of high quality 409L stainless steel mandrel-bent tubing to maintain constant exhaust flow for outstanding performance; They feature heavy duty 0.375 in. thick laser cut port flanges and OEM style connections; They attach to OE crossover pipe; Dyno-tuned and engineered to deliver more usable horsepower and torque; These headers increase the engine's efficiency by allowing it to breathe easier and run at cooler temperature; Well suited for lowered and raised vehicles, street, and off-road; Dyno tested to perform best with Gibson's cat-back exhaust system; For vehicles without EGR and air injection.

Fits the following 2006-2006 GMC Sierra 1500 submodels:

• 2006-2006: SLE; 8 Cyl 6.0L;
• 2006-2006: SLT; 8 Cyl 6.0L;

JBA CAT4WARD SHORTY HEADERS, STAINLESS STEEL, TITANIUM CERAMIC, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube diameter, 0.375 in. standard head flange; Shorty style; Round head port; They include mandrel-bent stainless steel primary tubes, patented JBA Firecone collector, factory style emission connections, extra thick collector domes, CNC laser-cut flange, and oversized exhaust ports; Made of tough and durable stainless steel; Constructed through race-proven technology for maximum horsepower and torque gains; They improve throttle response, resist warping, prevent leakage, increase flow, and accommodate cylinder head porting; Direct replacement for factory manifold, installation hardware kit included; For vehicles without EGR; Easy installation.

Fits the following 2007-2007 GMC Sierra Denali submodels:

• 2007-2007: All Submodels; All Engines;

HEDMAN STANDARD DUTY EXHAUST HEADERS, BLACK-PAINTED -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube diameter, 18-gauge tube wall thickness, 3 in. flange collector, 0.25 in. standard head flange; Premium gasket and installation hardware included; Without smog injection or injection heads; Full-length style; Round head port; They feature 18-gauge mandrel-bent primary tubes; Protected by factory applied black paint for pre-installation protection; Made in USA; Modification to stock exhaust required to retain catalytic converter; Must modify rotary A/C bracket; Elite replacement gasket part number 27520; Modification to clutch linkage may be needed; Late model chassis; Engine offset to passenger side of vehicle.

Fits the following 1988-1995 GMC K1500 submodels:

• 1995-1995: Sierra SLS; 8 Cyl 5.0L;
• 1995-1995: Sierra SLS; 8 Cyl 5.7L;

• 1994-1995: Sierra SL; 8 Cyl 5.0L;

• 1994-1995: Sierra SL; 8 Cyl 5.7L;

• 1994-1995: Sierra SLT; 8 Cyl 5.0L;

• 1994-1995: Sierra SLT; 8 Cyl 5.7L;

• 1994-1995: Sierra Special; 8 Cyl 5.0L;

• 1994-1995: Sierra Special; 8 Cyl 5.7L;

• 1988-1995: Sierra SLE; 8 Cyl 5.0L;

• 1988-1995: Sierra SLE; 8 Cyl 5.7L;

• 1993-1993: Sierra Sport; 8 Cyl 5.0L;

• 1993-1993: Sierra Sport; 8 Cyl 5.7L;

• 1988-1993: Sierra SLX; 8 Cyl 5.0L;

• 1988-1993: Sierra SLX; 8 Cyl 5.7L;

• 1988-1993: Sierra; 8 Cyl 5.0L;

• 1988-1993: Sierra; 8 Cyl 5.7L;

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FLOWTECH UNIVERSAL STANDARD BLOCK HUGGER HEADERS, BLACK -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.625 in. tube size; 2.5 in. collector size; Includes gaskets and all necessary hardware; Features electrostatically applied satin black paint, computer-controlled mandrel-bent 16-gauge tubing, and precision die-cut exhaust port flanges; Engineered and tested for leak-proof seal; Universal only for custom cars, trucks and street rods using V8 265-400 displacement, Chevy small block engines.

Fits the following 2007-2009 GMC Sierra 3500 HD submodels:

• 2007-2009: SLE; 8 Cyl 6.6L;
• 2007-2009: SLT; 8 Cyl 6.6L;

• 2007-2009: WT; 8 Cyl 6.6L;

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BORLA HEADERS, STAINLESS STEEL, NATURAL FINISH, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; Includes gaskets, bolt kit, bolts, washers, nuts, and block off plates; Shorty style; Round head port; Made of high-grade aerospace-quality T-304 stainless steel; Every Borla header employs ultra smooth mandrel-bent tubing, all-welded construction, warp-free flanges, and special race-bred and patented technology, providing the ultimate in power and endurance; Increases flow and power; Accurate fit and easy bolt-on installation ensured and tested through the latest in engineering technology.

Fits the following 2000-2006 GMC Yukon submodels:

• 2006-2006: SL; 8 Cyl 5.3L;
• 2000-2006: SLE; 8 Cyl 5.3L;

• 2000-2006: SLT; 8 Cyl 5.3L;

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BBK CNC-SERIES SHORTY HEADERS, POLISHED, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.75 in. tube diameter, 16-gauge tube wall thickness, 0.375 in. standard head flange; Includes gaskets, hardware, and installation instructions; With air fitting connectors; Shorty style; Round head port; Feature CNC mandrel-bent tubing for unrestrictive airflow and one-piece laser cut flange for added strength and durability; Dyno and pressure tested to ensure leak-free and maximum performance; Easy direct bolt-on installation.

Fits the following 2006-2009 GMC Sierra 1500 submodels:

• 2009-2009: SLE; 8 Cyl 6.0L; "GAS"
• 2009-2009: SLT; 8 Cyl 6.0L; "GAS"

• 2006-2008: SLE; 8 Cyl 6.0L;

• 2006-2008: SLT; 8 Cyl 6.0L;

• 2007-2007: Classic SLE; 8 Cyl 6.0L;

• 2007-2007: Classic SLT; 8 Cyl 6.0L;

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PATRIOT SPECIFIC FIT HEADERS, METALLIC CERAMIC-COATED, SET OF 2 -- 49-state legal; Not for sale or use in California; Cannot be shipped to California addresses; 1.75 in. tube diameter, 3 in. collector; Includes gaskets, hardware, collector reducers, and installation instructions; Full-length style; SAP port shape; Lowers under hood temperatures for more power and extended product life; Easy to maintain; It has thick machined flanges for great seal; Its high flow mandrel-bent mild steel tubing provides greater horsepower and torque; Big block frame stands and motor mounts must be used to insure proper engine location and header fit; Non-catalytic converter equipped; Reducers available with oxygen sensor fitting.

Fits the following 1987-1987 GMC V3500 submodels:

• 1987-1987: Base; 6 Cyl 4.8L;
• 1987-1987: Base; 8 Cyl 5.7L;

• 1987-1987: Base; 8 Cyl 6.2L;

• 1987-1987: Base; 8 Cyl 7.4L;

• 1987-1987: High Sierra; 6 Cyl 4.8L;

• 1987-1987: High Sierra; 8 Cyl 5.7L;

• 1987-1987: High Sierra; 8 Cyl 6.2L;

• 1987-1987: High Sierra; 8 Cyl 7.4L;

• 1987-1987: Sierra Classic; 6 Cyl 4.8L;

• 1987-1987: Sierra Classic; 8 Cyl 5.7L;

• 1987-1987: Sierra Classic; 8 Cyl 6.2L;

• 1987-1987: Sierra Classic; 8 Cyl 7.4L;

Fits 10 more submodels. (Show all) Show less info

HOOKER COMPETITION SHORTY HEADERS, BLACK -- For off road use - Not legal for use on public roads and highways; 1.625 in. X 30 in. Primary Tube, 3 in. Collector O.D., Sap Shape Port, Features Tuned-Length Primary Tubes For Maximum Exhaust Scavenging And Velocity, Made Of 16-Gauge Mild Steel Mandrel-Bent Tubing For Smooth Exhaust Flow, Long Transition Collector For Decreased Back Pressure, And 0.3125 in. Machined Flanges For A Perfect Seal, Designed For Optimal Performance And Industry's Best Welds For Durability, Comes With All Necessary Hardware For Complete Installation, Will Fit Heads With Factory Plug Angle, Maximum Ground Clearance Design For Cars Lowered Up To 4 in., Modification Required To Stock Exhaust Required To Retain Catalytic Converter, Will Not Fit Saginaw Close-Ratio Power Steering, With Hooker's Limited Warranty

Fits the following 1978-1987 GMC Caballero submodels:

• 1978-1987: Base; 8 Cyl 5.0L;
• 1978-1987: Diablo; 8 Cyl 5.0L;

• 1981-1986: Amarillo; 8 Cyl 5.0L;

• 1981-1981: Conquista; 8 Cyl 5.0L;

• 1981-1981: Royal Knight; 8 Cyl 5.0L;

• 1978-1980: Laredo; 8 Cyl 5.0L;

• 1978-1979: Base; 8 Cyl 5.7L;

• 1978-1979: Diablo; 8 Cyl 5.7L;

• 1978-1979: Laredo; 8 Cyl 5.7L;

Fits 7 more submodels. (Show all) Show less info