Looking for aftermarket parts to modify or upgrade your Chevrolet Avalanche 1500 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 2003-2003 Chevrolet Avalanche 1500 North Face / On Road Edition / WBH 2003-2005 Chevrolet Avalanche 1500 Base 2003-2006 Chevrolet Avalanche 1500 Z71 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $1,099.00 |

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 2002-2003 Chevrolet Avalanche 1500 North Face / On Road Edition 2002-2005 Chevrolet Avalanche 1500 Base 2002-2006 Chevrolet Avalanche 1500 Z71 2003-2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $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 2002-2003 Chevrolet Avalanche 1500 North Face / On Road Edition 2002-2005 Chevrolet Avalanche 1500 Base 2002-2006 Chevrolet Avalanche 1500 Z71 2003-2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $599.99 |

IN STOCK - LOW 1041400BD Diesel Exhaust Manifold Kit - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8 2003-2003 Chevrolet Avalanche 1500 North Face / On Road Edition / WBH 2003-2005 Chevrolet Avalanche 1500 Base 2003-2006 Chevrolet Avalanche 1500 Z71 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $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 2003-2003 Chevrolet Avalanche 1500 North Face / On Road Edition / WBH 2003-2005 Chevrolet Avalanche 1500 Base 2003-2006 Chevrolet Avalanche 1500 Z71 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $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 2003-2003 Chevrolet Avalanche 1500 North Face / On Road Edition / WBH 2003-2005 Chevrolet Avalanche 1500 Base 2003-2006 Chevrolet Avalanche 1500 Z71 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $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 2002-2003 Chevrolet Avalanche 1500 North Face / On Road Edition 2002-2005 Chevrolet Avalanche 1500 Base 2002-2006 Chevrolet Avalanche 1500 Z71 2003-2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $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 2002-2003 Chevrolet Avalanche 1500 North Face / On Road Edition 2002-2005 Chevrolet Avalanche 1500 Base 2002-2006 Chevrolet Avalanche 1500 Z71 2003-2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $904.98 |

IN STOCK 1850S-2JBA 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 02-13 GM Truck 4.8L/5.3L LS Raw 409 Cat4Ward Header 2002-2003 Chevrolet Avalanche 1500 North Face / On Road Edition 2002-2005 Chevrolet Avalanche 1500 Base 2002-2006 Chevrolet Avalanche 1500 Z71 2003-2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $720.88 |
IN STOCK 1850S-2JSJBA 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 02-13 GM Truck 4.8L/5.3L LS Silver Ctd Cat4Ward Header 2002-2003 Chevrolet Avalanche 1500 North Face / On Road Edition 2002-2005 Chevrolet Avalanche 1500 Base 2002-2006 Chevrolet Avalanche 1500 Z71 2003-2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $896.62 |

OUT OF STOCK 2851H220Kooks 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... Kooks 02-05 Cadillac Escalade/Chevrolet Silverado 1500 1-3/4 x 3 Header & Catted Y-Pipe Kit 2002-2003 Chevrolet Avalanche 1500 North Face / On Road Edition 2002-2005 Chevrolet Avalanche 1500 Base 2002-2006 Chevrolet Avalanche 1500 Z71 2003-2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $3,010.90 |
OUT OF STOCK 2851H420Kooks 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... Kooks 02-05 Cadillac Escalade Base /Chevrolet Silverado 1-7/8 x 3 Header & Catted Y-Pipe Kit 2002-2003 Chevrolet Avalanche 1500 North Face / On Road Edition 2002-2005 Chevrolet Avalanche 1500 Base 2002-2006 Chevrolet Avalanche 1500 Z71 2003-2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $3,198.51 |

IN STOCK - LOW 28501120Kooks 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... Kooks 03-13 GM 1500 Series Truck/SUV 4.8/5.3/6.0/6.2L 1-5/8in x 1-3/4in SS Headers w/o EGR 2002-2003 Chevrolet Avalanche 1500 North Face / On Road Edition 2002-2005 Chevrolet Avalanche 1500 Base 2002-2006 Chevrolet Avalanche 1500 Z71 2003-2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2005-2006 Chevrolet Avalanche 1500 LS / LT $1,702.80 |