Looking for aftermarket parts to modify or upgrade your 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 2861H420Kooks 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 15-20 Cadillac Escalade ESV Platinum Premium 1-7/8 x 3 Header & Catted Y-Pipe Kit 2014-2018 GMC Sierra 1500 Denali / SLT $3,206.53 |
IN STOCK 2861H430Kooks 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 15-20 Cadillac Escalade ESV Platinum Luxury 1-7/8 x 3 Header & Green Catted Y-Pipe Kit 2014-2018 GMC Sierra 1500 Denali / SLT $3,746.53 |
OUT OF STOCK 2862H420Kooks 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 19-22 Chevrolet Silverado 1500 5.3 1-7/8 x 3 Header & Catted Y-Pipe Kit 2019-2021 GMC Sierra 1500 AT4 / Base 2019-2024 GMC Sierra 1500 Denali / Elevation / SLE / SLT 2022-2024 GMC Sierra 1500 Pro $3,776.22 |
IN STOCK 2863H420Kooks 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 19-22 Chevrolet Silverado 1500 6.2L 1-7/8 x 3 Header & Catted Y-Pipe Kit 2019-2024 GMC Sierra 1500 AT4 / Denali / SLT 2022-2024 GMC Sierra 1500 AT4X / Denali Ultimate $3,803.59 |
IN STOCK 2863H430Kooks 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 19-22 Chevrolet Silverado 1500 6.2L 1-7/8 x 3 Header & Green Catted Y-Pipe Kit 2019-2024 GMC Sierra 1500 AT4 / Denali / SLT 2022-2024 GMC Sierra 1500 AT4X / Denali Ultimate $4,343.59 |

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 2003-2003 GMC Sierra 1500 SL 2003-2005 GMC Sierra 1500 Base 2003-2013 GMC Sierra 1500 Denali / SLE / SLT / WT 2005-2006 GMC Sierra 1500 Hybrid 2006-2013 GMC Sierra 1500 SL 2009-2009 GMC Sierra 1500 Hybrid 2010-2013 GMC Sierra 1500 XFE $1,702.80 |

OUT OF STOCK 52444Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52444. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper... MagnaFlow 14-15 Ford Transit Connect OEM Grade Federal/EPA Compliant Manifold Catalytic Converter 2014-2014 GMC Sierra 1500 Denali / SLT $876.00 |

SHIPS FROM MANUFACTURER CT07HCATPerformance 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... Stainless Works 2007-13 Chevy Silverado/GMC Sierra Headers 1-7/8in Primaries High-Flow Cats X-Pipe 2007-2013 GMC Sierra 1500 Denali / SLE / SLT / WT 2008-2013 GMC Sierra 1500 SL 2010-2013 GMC Sierra 1500 XFE $2,560.25 |
IN STOCK CT07HCATYFactory 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... Stainless Works 2007-13 Chevy Silverado/GMC Sierra Headers 1-7/8in Primaries High-Flow Cats Y-Pipe 2007-2013 GMC Sierra 1500 SLE / WT 2008-2013 GMC Sierra 1500 SLT 2010-2013 GMC Sierra 1500 XFE $2,422.50 |
IN STOCK CT14HCAT2014-16 Chevy Silverado / GMC Sierra Headers. Fits SW performance connect true-dual exhausts. Designed to fit Chevy 1500 2WD/4WD 5.3L and 6.2L Double Cab with Standard Box or Crew Cab with either Short Box or Standard Box.Stainless Works headers are made in the USA and backed by a limited lifetime g... Stainless Works 2014-16 Chevy Silverado/GMC Sierra Headers High-Flow Cats 2014-2017 GMC Sierra 1500 Base / Denali / SLE / SLT $2,560.25 |
IN STOCK CT14HCATY2014-16 Chevy Silverado / GMC Sierra Headers from Stainless Works - Increase performance and improve sound with our 5.3L 1500 truck headers. Fits factory connection point in front of OEM catalytic converter. Designed to fit Chevy 1500 2WD/4WD 5.3L and 6.2L Double Cab with Standard Box or Crew Cab wi... Stainless Works 14-16 Chevy Silverado/GMC Sierra Fit 5.3L Only Header High-Flow Cats Factory Conn 2014-2017 GMC Sierra 1500 Base / Denali / SLE / SLT $2,422.50 |
IN STOCK CT19HCATImprove the sound and performance on your Chevy Silverado and GMC Sierra with premium headers from Stainless Works. American-Made and designed for the 2019+ Chevy Silverado and GMC Sierra 5.3L & 6.2L, these headers feature 1-7/8" primary tubes that are CNC mandrel bent to increase air flow, and engi... Stainless Works 2019+ Chevrolet Silverado 5.3/6.2 Catted Headers 1-7/8in Primaries 3in Leads X-Pipe 2019-2020 GMC Sierra 1500 AT4 / Base / Denali / Elevation / SLE / SLT $2,655.25 |
SHIPS FROM MANUFACTURER CT19HCATYImprove the sound and performance on your Chevy Silverado and GMC Sierra with premium headers from Stainless Works. American-Made and designed for the 2019+ Chevy Silverado and GMC Sierra 5.3L, these headers feature 1-7/8" primary tubes that are CNC mandrel bent to increase air flow, and engineered ... Stainless Works 2019+ Chevrolet Silverado 5.3L Catted Headers 1-7/8in Primaries 3in Leads Y-Pipe 2019-2020 GMC Sierra 1500 AT4 / Base / Denali / Elevation / SLE / SLT $2,465.25 |
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 |
SHIPS FROM MANUFACTURER CT99021999-02 Chevy, GMC 4.8L, 5.3L (4WD only) Truck headers. Made from 304 stainless steel, for maximum corrosion resistance. All tubes are CNC mandrel bent for optimal flow. 3/8" CNC laser cut flanges. These headers come with air tube fitting on primary and 1-3/4" primaries that flow into a 2-1/2" slip-... Stainless Works Chevy/GMC Truck 1999-02 Headers 4WD with Converters 1999-2002 GMC Sierra 1500 SL / SLE / SLT 2002-2002 GMC Sierra 1500 Base / HT / WT $2,422.50 |
SHIPS FROM MANUFACTURER CT99022WD1999-02 Chevy, GMC 4.8L, 5.3L (2WD only) Truck headers. Made from 304 stainless steel, for maximum corrosion resistance. All tubes are CNC mandrel bent for optimal flow. 3/8" CNC laser cut flanges. These headers come with air tube fitting on primary and 1-3/4" primaries that flow into a 2-1/2" slip-... Stainless Works Chevy/GMC Truck 1999-02 Headers 2WD with Converters 1999-2002 GMC Sierra 1500 SL / SLE / SLT 2002-2002 GMC Sierra 1500 Base / HT / WT $2,422.50 |