Speed Engineering 1-7/8" Longtube Headers & Y-Pipe Full Kit for 2019–2024 Chevrolet Silverado and GMC Sierra 1500 5.3L / 6.2L trucks.
This complete bolt-on system replaces the restrictive factory exhaust manifolds and mid-pipes with free-flowing stainless long tubes and a 3" off-road connection pipe (Y-pipe) that ties directly into your existing cat-back location.
⚠️ Note: The rear (downstream) O₂ sensors are no longer used. A check engine light for catalyst efficiency will appear and must be disabled through PCM tuning.
Kit Includes:
- (1) Pair of stainless steel 1-7/8" Longtube Headers
- (1) 3" Off-Road Y-Pipe / Connection Pipe
- (1) Set of Zinc-Coated Header Bolts (Or stainless ARP bolts if selected)
- (2) MLS Exhaust Gaskets
- (2) O₂ Extension Harnesses
Plug Wires and Sleeves can be added to the kit if selected
Speed Engineering Silverado & Sierra longtube headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Our Silverado & Sierra longtube headers are mandrel bent, tig welded, and feature natural stainless steel construction. All of our Silverado & Sierra longtube headers have been dyno proven. We stand behind our Silverado & Sierra longtube headers in saying you will not find a better fitting, quality built, budget header for your vehicle.
Features include:
- Mandrel Bent Tubing
- Merge Spikes
- Full 1 7/8 " Primaries
- 3" Collector
- Longtube Header Design
- Silverado / Sierra / SUV LT Headers
- Gains over 25+ rwhp
- V8 Engines Only
- 5.3L, 6.2L Engines
- CNC Machined Flanges
- Natural Stainless Steel
- Standard Graphite Manifold Gaskets
Vehicle Applications:
2019 Chevrolet Silverado 1500 (2WD/4WD)
2020 Chevrolet Silverado 1500 (2WD/4WD)
2021 Chevrolet Silverado 1500 (2WD/4WD)
2022 Chevrolet Silverado 1500 (2WD/4WD)
2023 Chevrolet Silverado 1500 (2WD/4WD)
2024 Chevrolet Silverado 1500 (2WD/4WD)
2019 GMC Sierra 1500 (2WD/4WD)
2020 GMC Sierra 1500 (2WD/4WD)
2021 GMC Sierra 1500 (2WD/4WD)
2022 GMC Sierra 1500 (2WD/4WD)
2023 GMC Sierra 1500 (2WD/4WD)
2024 GMC Sierra 1500 (2WD/4WD)
2019 GMC Yukon (2WD/4WD)
2020 GMC Yukon (2WD/4WD)
2021 GMC Yukon (2WD/4WD)
2022 GMC Yukon (2WD/4WD)
2023 GMC Yukon (2WD/4WD)
2024 GMC Yukon (2WD/4WD)
2021 Cadillac Escalade (2WD/4WD)
2022 Cadillac Escalade (2WD/4WD)
2023 Cadillac Escalade (2WD/4WD)
2024 Cadillac Escalade (2WD/4WD)
2021 Chevrolet Tahoe (2WD/4WD)
2022 Chevrolet Tahoe (2WD/4WD)
2023 Chevrolet Tahoe (2WD/4WD)
2024 Chevrolet Tahoe (2WD/4WD)
2021 GMC Yukon (2WD/4WD)
2021 GMC Yukon Denali (2WD/4WD)
2022 GMC Yukon (2WD/4WD)
2022 GMC Yukon Denali (2WD/4WD)
2023 GMC Yukon (2WD/4WD)
2023 GMC Yukon Denali (2WD/4WD)
2024 GMC Yukon (2WD/4WD)
2024 GMC Yukon Denali (2WD/4WD)
Note: Y-Pipe kit & X-Pipe kit will work on trucks & suv's with 8 Speed & 10 Speed Automatic transmissions.
(Warning) This is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability.