Looking for aftermarket parts to modify or upgrade your GMC Sierra 1500 Classic 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 48-44001The 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... aFe Power Twisted Steel Headers 409 Stainless Steel 02-13 GM Silverado/Sierra 1500 V8 GMT800/GMT900 2007-2007 GMC Sierra 1500 Classic Denali / Hybrid / SL / SLE / SLT / WT $1,099.00 |

SHIPS FROM MANUFACTURER 48006Virtually 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... Banks Power 02-11 Chevy 4.8-5.3L Torque Tube System non-A/I 2007-2007 GMC Sierra 1500 Classic SL / SLE / SLT / WT $679.00 |

IN STOCK - LOW 4005These 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 ... BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic 2007-2007 GMC Sierra 1500 Classic Hybrid / SL / SLE / SLT / WT $549.99 |
IN STOCK 40050These 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 ... BBK 99-04 GM Truck SUV 4.8 5.3 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic 2007-2007 GMC Sierra 1500 Classic Hybrid / SL / SLE / SLT / WT $599.99 |
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 2007-2007 GMC Sierra 1500 Classic Denali / SLE / SLT $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 2007-2007 GMC Sierra 1500 Classic Denali / SLE / SLT $599.99 |

IN STOCK - LOW 1041400BD Diesel Exhaust Manifold Kit - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8 2007-2007 GMC Sierra 1500 Classic Denali / Hybrid / SL / SLE / SLT / WT $593.95 |
IN STOCK 1041401Experience 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... BD Diesel Passenger Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8 2007-2007 GMC Sierra 1500 Classic Denali / Hybrid / SL / SLE / SLT / WT $321.95 CLEARANCE VIEW PRICE IN CART |
IN STOCK - LOW 1041402Experience 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... BD Diesel Driver Side Exhaust Manifold - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8 2007-2007 GMC Sierra 1500 Classic Denali / Hybrid / SL / SLE / SLT / WT $321.95 CLEARANCE VIEW PRICE IN CART |

IN STOCK GP129S-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 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header - Ceramic Coated 2007-2007 GMC Sierra 1500 Classic Hybrid / SL / SLE / SLT / WT $797.17 |

IN STOCK GP129SEvery 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 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header - Stainless 2007-2007 GMC Sierra 1500 Classic Hybrid / SL / SLE / SLT / WT $904.98 |