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Looking for aftermarket parts to modify or upgrade your GMC Yukon XL with headers & manifolds? At Tunersports.com we carry a huge selection of the top name brand performance headers & manifold parts and accessories.
 IN STOCK 48-34134All aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.... aFe Twisted Steel 1-3/4in 304SS Shorty Headers 2019 GM Silverado / Sierra 1500 V8-5.3L/6.2L 2021-2024 GMC Yukon XL SLE / SLT 2021-2025 GMC Yukon XL AT4 / Denali 2023-2025 GMC Yukon XL Denali Ultimate 2025-2025 GMC Yukon XL AT4 Ultimate / Elevation $1,099.00 |
 OUT OF STOCK 48-44003The 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. Combine wi... aFe Twisted Steel Headers 14-15 GM Silverado/Sierra 1500 V8 5.3L6.2L 2015-2020 GMC Yukon XL Denali / SLE / SLT $1,099.00 |
 OUT OF STOCK 4047These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 14-18 Chevrolet GM 5.3 6.2 Full Size Truck applications. Each header is manufactured with 1-3/4" CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horse... BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Titanium Ceramic 2015-2018 GMC Yukon XL Denali / SLE / SLT $569.99 |
 OUT OF STOCK 40470These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 14-18 Chevrolet GM 5.3 6.2 Full Size Truck applications. Each header is manufactured with 1-3/4" CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horse... BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Polished Silver Ceramic 2015-2018 GMC Yukon XL Denali / SLE / SLT $599.99 |
 IN STOCK - DROPSHIPS 4048These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 19-22 Chevrolet GM 5.3 6.2 Full Size Truck applications. Each header is manufactured with 1-3/4" CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horse... BBK 19-24 GM Full Size 5.3/6.2L Shorty Headers (Ti Ceramic) 2019-2023 GMC Yukon XL Denali / SLE / SLT 2021-2023 GMC Yukon XL AT4 2023-2023 GMC Yukon XL Denali Ultimate $569.99 |
 OUT OF STOCK 40480These direct-fit performance tuned-length headers are available for full-size 5.3L/6.2L equipped GM truck & SUV models. Dyno-tested for maximum power improvements while allowing a direct bolt-on application these headers come in a standard high-temp titanium ceramic or optional polished ceramic fini... BBK 19-24 GM Full Size 5.3/6.2L Shorty Headers (Silver Ceramic) 2019-2023 GMC Yukon XL Denali / SLE / SLT 2021-2023 GMC Yukon XL AT4 2023-2023 GMC Yukon XL Denali Ultimate $599.99 |
 SHIPS FROM MANUFACTURER GP137S-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 14-16 Cadillac Escalade Base 6.2L 1-3/4in 16 Gauge Performance Header - Ceramic Coated 2015-2016 GMC Yukon XL SLE / SLT $923.04 |
 SHIPS FROM MANUFACTURER GP137SEvery 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 14-16 Cadillac Escalade Base 6.2L 1-3/4in 16 Gauge Performance Header - Stainless 2015-2016 GMC Yukon XL SLE / SLT $766.36 |
 OUT OF STOCK 1850SJBA 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 99-01 GM Truck 4.8L/5.3L LS w/o A.I.R. w/EGR 1-5/8in Primary Raw 409SS Cat4Ward Header 2019-2021 GMC Yukon XL SLE / SLT 2021-2021 GMC Yukon XL AT4 $693.45 |
 IN STOCK 1850S-4JBA 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 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Raw 409SS Cat4Ward Header 2015-2020 GMC Yukon XL Denali / SLE / SLT $720.88 |
 OUT OF STOCK 1850S-4JSJBA 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 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Silver Ctd Cat4Ward Header 2015-2020 GMC Yukon XL Denali / SLE / SLT $864.74 |
 OUT OF STOCK 1850S-5JBA 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 19-20 GM Truck 5.3/6.2L DFI 1-3/4in Primary Raw 409 Cat4Ward Header 2021-2022 GMC Yukon XL AT4 / Denali / SLE / SLT $709.39 |
 OUT OF STOCK 1850S-5JSJBA 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 19-20 GM Truck 5.3/6.2L DFI 1-3/4in Primary Raw 409 Cat4Ward Header 2021-2022 GMC Yukon XL AT4 / Denali / SLE / SLT $912.51 |
 OUT OF STOCK 1850SJSJBA 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 99-01 GM Truck 4.8L/5.3L LS w/o A.I.R. w/EGR 1-5/8in Primary Silver Ctd Cat4Ward Header 2019-2021 GMC Yukon XL SLE / SLT 2021-2021 GMC Yukon XL AT4 $912.51 |
 IN STOCK 2860H220Kooks 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 Chevrolet Suburban LT LS LTZ Premier 1-3/4 x 3 Header & Catted Y-Pipe Kit 2015-2020 GMC Yukon XL SLE / SLT $3,146.08 |
IN STOCK 2860H420Kooks 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 Chevrolet Suburban LT LS LTZ Premier 1-7/8 x 3 Header & Catted Y-Pipe Kit 2015-2020 GMC Yukon XL SLE / SLT $3,173.23 |
OUT OF STOCK 2860H430Kooks 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 Chevrolet Suburban LT LS LTZ Premier 1-7/8 x 3 Header & Green Catted Y-Pipe Kit 2015-2020 GMC Yukon XL SLE / SLT $3,713.23 |
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 2015-2020 GMC Yukon XL Denali 2019-2020 GMC Yukon XL 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 2015-2020 GMC Yukon XL Denali 2019-2020 GMC Yukon XL 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 2021-2023 GMC Yukon XL AT4 / SLE / SLT $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 2021-2023 GMC Yukon XL Denali 2022-2023 GMC Yukon XL AT4 2023-2023 GMC Yukon XL 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 2021-2024 GMC Yukon XL Denali 2022-2024 GMC Yukon XL AT4 2023-2024 GMC Yukon XL Denali Ultimate $4,343.59 |