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Looking for aftermarket parts to modify or upgrade your 2002 GMC Sierra 2500 with headers & manifolds? At Tunersports.com we carry a huge selection of the top name brand performance headers & manifold parts and accessories.
 IN STOCK - LOW 4006These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99-13 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 torqu... BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base $549.99 |
 IN STOCK - DROPSHIPS 40060These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99-13 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 torqu... BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE / SLT 2002-2004 GMC Sierra 2500 Base $599.99 |
 SHIPS FROM MANUFACTURER GP119S-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 99-02 Chevrolet Silverado 2500 Base 6.0L 1-5/8in 16 Gauge Performance Header - Ceramic Coated 1999-2002 GMC Sierra 2500 SL / SLE / SLT 2002-2002 GMC Sierra 2500 Base $797.17 |
 IN STOCK - DROPSHIPS 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 2002-2002 GMC Sierra 2500 SL 2002-2004 GMC Sierra 2500 Base / SLE / SLT $797.18 |
 SHIPS FROM MANUFACTURER GP119SEvery 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 99-02 Chevrolet Silverado 2500 Base 6.0L 1-5/8in 16 Gauge Performance Header - Stainless 1999-2002 GMC Sierra 2500 SL / SLE / SLT 2002-2002 GMC Sierra 2500 Base $670.67 |
 IN STOCK 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 2002-2002 GMC Sierra 2500 SL 2002-2004 GMC Sierra 2500 Base / SLE / SLT $670.67 |
 OUT OF STOCK 1850S-1JBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainles... JBA 99-02 GM Truck 6.0L LS w/o A.I.R. w/EGR 1-5/8in Primary Raw 409SS Cat4Ward Header 1999-2002 GMC Sierra 2500 SL / SLE / SLT 2002-2002 GMC Sierra 2500 Base $742.30 |
 OUT OF STOCK 1850S-1JSJBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainles... JBA 99-02 GM Truck 6.0L LS w/o A.I.R. w/EGR 1-5/8in Primary Silver Ctd Cat4Ward Header 1999-2002 GMC Sierra 2500 SL / SLE / SLT 2002-2002 GMC Sierra 2500 Base $912.51 |