2008 GMC Sierra 1500 Headers & Manifolds

The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire power band. Combin...

Virtually indestructible 100 percent stainless TorqueTubes maximize exhaust extraction, unleashing gobs of torque thatll jam you into the seat and haul you up the grade. Banks heavy-wall 400-series stainless TorqueTubes include two full exhaust manifold assemblies, each with a seamless high-velocity...

These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99-04 GM Truck and SUV 4.8L and 5.3L applications. Each header is manufactured with 1-5/8" CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower ...

These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99-04 GM Truck and SUV 4.8L and 5.3L applications. Each header is manufactured with 1-5/8" CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower ...

These 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...

These 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...

Experience unparalleled performance and durability with our enhanced GMC/Chevrolet truck exhaust manifolds, specifically designed for LS engines. Our BD-upgraded manifolds address common exhaust manifold bolt failures by incorporating extended fasteners and spacers that effectively withstand thermal...

Experience unparalleled performance and durability with our enhanced GMC/Chevrolet truck exhaust manifolds, specifically designed for LS engines. Our BD-upgraded manifolds address common exhaust manifold bolt failures by incorporating extended fasteners and spacers that effectively withstand thermal...

Every 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 ...

Every 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 ...

JBA 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 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 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 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 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...

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless...

Performance Connect Catted: 2007-13 Chevy Silverado / GMC Sierra Truck Headers from Stainless Works - Increase performance and improve sound with our 1500 truck headers. These headers are designed to fit our Performance Connect exhausts for the Silverado which come with a variety of exit points. Sys...

Factory Connect Catted: 2007-13 Chevy Silverado / GMC Sierra Truck Headers from Stainless Works - Increase performance and improve sound with our Silverado headers. These headers are designed to fit the factory connection point behind the factory catalytic converter. System includes Y-pipe and featu...