Looking for aftermarket parts to modify or upgrade your 2005 GMC Sierra 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 2002-2005 GMC Sierra 1500 Base 2002-2013 GMC Sierra 1500 SLE / SLT / WT 2003-2013 GMC Sierra 1500 Denali 2005-2006 GMC Sierra 1500 Hybrid $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 2002-2005 GMC Sierra 1500 Base 2002-2011 GMC Sierra 1500 Denali / SLE / SLT / WT 2005-2006 GMC Sierra 1500 Hybrid $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 1999-2013 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2013 GMC Sierra 1500 WT 2005-2006 GMC Sierra 1500 Hybrid $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 1999-2013 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2013 GMC Sierra 1500 WT 2005-2006 GMC Sierra 1500 Hybrid $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 2002-2006 GMC Sierra 1500 Denali 2004-2009 GMC Sierra 1500 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 2002-2006 GMC Sierra 1500 Denali 2004-2009 GMC Sierra 1500 SLE / SLT $599.99 |

IN STOCK - LOW 1041400BD Diesel Exhaust Manifold Kit - 02-13 Chevy Silverado 1500 & GMC Sierra 1500 V8 2003-2005 GMC Sierra 1500 Base 2003-2013 GMC Sierra 1500 SLE / SLT / WT 2005-2006 GMC Sierra 1500 Hybrid $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 2003-2005 GMC Sierra 1500 Base 2003-2013 GMC Sierra 1500 SLE / SLT / WT 2005-2006 GMC Sierra 1500 Hybrid $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 2003-2005 GMC Sierra 1500 Base 2003-2013 GMC Sierra 1500 SLE / SLT / WT 2005-2006 GMC Sierra 1500 Hybrid $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 2002-2005 GMC Sierra 1500 Base 2002-2013 GMC Sierra 1500 SLE / SLT / WT 2005-2006 GMC Sierra 1500 Hybrid $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 2002-2005 GMC Sierra 1500 Base 2002-2013 GMC Sierra 1500 SLE / SLT / WT 2005-2006 GMC Sierra 1500 Hybrid $904.98 |

OUT OF STOCK 1842S-9JBA 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 03-13 GM Truck 4.3L V6 1-1/2in Primary Raw 409SS Cat4Ward Header 2003-2005 GMC Sierra 1500 Base 2003-2013 GMC Sierra 1500 WT $752.76 |
OUT OF STOCK 1842S-9JSJBA 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 03-13 GM Truck 4.3L V6 1-1/2in Primary Silver Ctd Cat4Ward Header 2003-2005 GMC Sierra 1500 Base 2003-2013 GMC Sierra 1500 WT $882.86 |
OUT OF STOCK 1842S-9JTJBA 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 03-13 GM Truck 4.3L V6 1-1/2in Primary Ti Ctd Cat4Ward Header 2003-2005 GMC Sierra 1500 Base 2003-2013 GMC Sierra 1500 WT $832.09 |
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 2002-2005 GMC Sierra 1500 Base 2002-2013 GMC Sierra 1500 Denali / SLE / SLT / WT $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 2002-2005 GMC Sierra 1500 Base 2002-2013 GMC Sierra 1500 SLE / WT $896.62 |
IN STOCK 1850S-3JBA 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 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Raw 409SS Cat4Ward Header 2003-2006 GMC Sierra 1500 Denali 2004-2006 GMC Sierra 1500 SLE / SLT $719.27 |
IN STOCK 1850S-3JSJBA 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 03-06 GM Truck 6.0L LS w/o EGR 1-5/8in Primary Silver Ctd Cat4Ward Header 2003-2006 GMC Sierra 1500 Denali 2004-2006 GMC Sierra 1500 SLE / SLT $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 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT 2005-2006 GMC Sierra 1500 Hybrid $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 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT 2005-2006 GMC Sierra 1500 Hybrid $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 2003-2005 GMC Sierra 1500 Base 2003-2013 GMC Sierra 1500 Denali / SLE / SLT / WT 2005-2006 GMC Sierra 1500 Hybrid $1,702.80 |

SHIPS FROM MANUFACTURER CT6.02003-06 Chevy/GMC 6.0L (4WD only) Truck. CNC Mandrel Bent 304 stainless steel construction, 1-3/4" primaries, 3/8" thick CNC Laser cut flanges, 2 1/2" catted leads. Designed to connect to factory exhaust. Stainless Works headers are backed by a limited lifetime guarantee on material and workmanship ... Stainless Works 2003-06 Chevy/GMC 6.0L (4WD only) Truck 1-3/4in Primaries 2-1/2in High-Flow Cats 2003-2006 GMC Sierra 1500 Denali 2005-2006 GMC Sierra 1500 SLE / SLT $2,046.30 |