Connecting your Speed Engineering longtube headers to the cat-back on your 2019–2024 Silverado, Sierra, or full-size SUV? This is the Y-pipe that completes the system. Built from 3" mandrel bent 304 natural stainless steel with a 3.5" exit, optional 3" and 3.5" ball socket connections, TIG-welded construction, and stainless band clamps included. Compatible with 6, 8, and 10 speed automatic transmissions. An optional wideband O₂ bung is available for tuning applications.
⚠️ Important: This system is designed to work with Speed Engineering longtube headers only. It is NOT compatible with factory exhaust manifolds.
Features:
- 3" Mandrel Bent Tubing — Consistent diameter throughout for maximum exhaust flow
- 3.5" Y-Pipe Exit — With optional 3" and 3.5" ball socket connections for flexible cat-back connection
- Optional Wideband Tuning Bung — Available for wideband O₂ sensor placement for tuning applications
- Compatible with 6, 8, and 10 Speed Automatic Transmissions
- Stainless Steel Band Clamps Included
- 304 Natural Stainless Steel Construction — Corrosion resistant, heat tolerant, and built to last
- Dyno Proven
Vehicle Applications:
Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2019 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2020 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2021 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2022 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2023 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2024 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2019 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2020 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2021 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2022 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2023 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2024 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
GMC Yukon & Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2019 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2020 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2021 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2022 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2023 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2024 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
- 2021 Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
- 2022 Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
- 2023 Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
- 2024 Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
Cadillac Escalade (2WD/4WD) — 5.3L/6.2L
- 2021 Cadillac Escalade (2WD/4WD) — 6.2L
- 2022 Cadillac Escalade (2WD/4WD) — 6.2L
- 2023 Cadillac Escalade (2WD/4WD) — 6.2L
- 2024 Cadillac Escalade (2WD/4WD) — 6.2L
FAQ
Will this Y-pipe work with my factory exhaust manifolds?
No. This system is designed for use with Speed Engineering longtube headers only. It is not compatible with factory exhaust manifolds.
What transmissions is this Y-pipe compatible with?
This Y-pipe is compatible with 6, 8, and 10 speed automatic transmissions.
What is the exit diameter on this Y-pipe?
This Y-pipe features a 3.5" exit with optional 3" and 3.5" ball socket connections for flexible connection to your cat-back exhaust system.
Is a wideband O₂ bung included?
An optional wideband O₂ bung is available for wideband sensor placement for tuning applications.
What material is this Y-pipe made from?
304 natural stainless steel with mandrel-bent tubing and TIG-welded construction. Stainless band clamps are included.
Is this Y-pipe street legal?
No. This is a race-only product intended for closed-course competition use only. Installation on a street-driven vehicle may violate the Clean Air Act (42 U.S.C. 7522(a)(3)).
⚠️ Race Use Only: This product is manufactured and sold for installation on vehicles used solely for competition. Once installed, the vehicle may not be used, registered, or licensed for use on a public road or highway. Installation on a street-driven vehicle may violate the Clean Air Act 203(a)(3), 42 U.S.C. 7522(a)(3).