Looking for aftermarket parts to modify or upgrade your 2004 Chevrolet Silverado 2500 HD with headers & manifolds? At Tunersports.com we carry a huge selection of the top name brand performance headers & manifold parts and accessories for your Silverado 2500 HD.
Whether you have a 2004 Chevrolet Silverado 2500 HD in Base to WT trim we have you covered. We have 14 headers & manifolds available to mod your Silverado 2500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK 46-40024Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filt... aFe Power BladeRunner Ported Ductile Iron Exhaust Manifold 01-16 GM Diesel Trucks V8-6.6L (td) 2001-2005 Chevrolet Silverado 2500 HD Base 2001-2006 Chevrolet Silverado 2500 HD LS 2001-2016 Chevrolet Silverado 2500 HD LT 2004-2016 Chevrolet Silverado 2500 HD WT $662.48 SALE |
 IN STOCK 46-60029The aFe Bladerunner Turbo Inlet Manifold increases performance to your Duramax by 23hp and 57lbs x ft. torque while increasing air flow 73-percent over the factory turbo inlet. The Bladerunner turbo inlet manifold also improves turbo spool up times and lowers exhaust gas temperature (EGTs). This u... aFe Bladerunner Manifolds Turbo Inlet MAN Turbo Inlet GM Diesel Trucks 04.5-05 V8-6.6L (td) 2004-2005 Chevrolet Silverado 2500 HD Base / LS / LT / WT $409.83 SALE |
 OUT OF STOCK 48-34009-PKConstruction: These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 2" Inner Liner Flex Pipes: The down-pipes utilizes heavy duty 2" flex tubes with internal inner liner. Leak-Free Seal: High quality 3/8" thick flanges are ... aFe 01-04 GM V8-6.6L LB7 Twisted Steel Manifold w/ Up Pipe 2001-2004 Chevrolet Silverado 2500 HD Base / LS / LT 2004-2004 Chevrolet Silverado 2500 HD WT $1,239.55 SALE |
 IN STOCK 4006These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99-09 GM Truck and SUV 6.0L applications. Each header is manufactured with 1-5/8 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque... BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic 2001-2005 Chevrolet Silverado 2500 HD Base 2001-2006 Chevrolet Silverado 2500 HD LS 2001-2013 Chevrolet Silverado 2500 HD LT 2003-2013 Chevrolet Silverado 2500 HD WT $499.99 |
 IN STOCK - DROPSHIPS 40060These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99-09 GM Truck and SUV 6.0L applications. Each header is manufactured with 1-5/8 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque... BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic 2001-2005 Chevrolet Silverado 2500 HD Base 2001-2006 Chevrolet Silverado 2500 HD LS 2001-2013 Chevrolet Silverado 2500 HD LT 2003-2013 Chevrolet Silverado 2500 HD WT $549.99 |
 IN STOCK - LOW 1041460Replaces factory driver's side "pinched down" unit; Restores exhaust flow and balances the V8 engine for smoother running; Improves exhaust velocity to drive the turbocharger; Improves power; Direct, bolt-in replacement; Tapped to accept the most popular EGT probes; High-silicon ductile iron; Lower ... BD Diesel Manifold Exhaust - 2001-2010 Duramax 2001-2005 Chevrolet Silverado 2500 HD Base 2001-2006 Chevrolet Silverado 2500 HD LS 2001-2010 Chevrolet Silverado 2500 HD LT 2003-2010 Chevrolet Silverado 2500 HD WT $191.72 |
 OUT OF STOCK 1046203For AirWerks S300 T3 Mount Turbos... BD Diesel PEDESTAL KIT - Chevy Duramax T3 Mount Turbo 2001-2005 Chevrolet Silverado 2500 HD Base 2001-2006 Chevrolet Silverado 2500 HD LS 2001-2007 Chevrolet Silverado 2500 HD LT 2004-2007 Chevrolet Silverado 2500 HD WT $275.95 |
 SHIPS FROM MANUFACTURER GP134S-CEvery Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock ... Gibson 05-06 Chevrolet Avalanche 2500 LS 8.1L 1-3/4in 16 Gauge Performance Header - Ceramic Coated 2004-2005 Chevrolet Silverado 2500 HD Base / LS / LT / WT $762.38 |
 IN STOCK GP500S-CEvery Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock ... Gibson 02-06 Cadillac Escalade Base 6.0L 1-5/8in 16 Gauge Performance Header - Ceramic Coated 2002-2005 Chevrolet Silverado 2500 HD Base 2002-2006 Chevrolet Silverado 2500 HD LS / LT 2003-2006 Chevrolet Silverado 2500 HD WT $762.38 |
 SHIPS FROM MANUFACTURER GP134SEvery Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock ... Gibson 05-06 Chevrolet Avalanche 2500 LS 8.1L 1-3/4in 16 Gauge Performance Header - Stainless 2004-2005 Chevrolet Silverado 2500 HD Base / LS / LT / WT $641.03 |
 IN STOCK - LOW GP500SEvery Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock ... Gibson 02-06 Cadillac Escalade Base 6.0L 1-5/8in 16 Gauge Performance Header - Stainless 2002-2005 Chevrolet Silverado 2500 HD Base 2002-2006 Chevrolet Silverado 2500 HD LS / LT 2003-2006 Chevrolet Silverado 2500 HD WT $641.03 |
 IN STOCK - LOW 1850S-3JBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Raw 409SS Cat4Ward Header 2003-2005 Chevrolet Silverado 2500 HD Base 2003-2006 Chevrolet Silverado 2500 HD LS / LT / WT $641.45 |
 IN STOCK - LOW 1850S-3JSJBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Silver Ctd Cat4Ward Header 2003-2005 Chevrolet Silverado 2500 HD Base 2003-2006 Chevrolet Silverado 2500 HD LS / LT / WT $799.95 |
 OUT OF STOCK 1850S-3JTJBA 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Ti Ctd Cat4Ward Header 2003-2005 Chevrolet Silverado 2500 HD Base 2003-2006 Chevrolet Silverado 2500 HD LS / LT / WT $799.95 |