Free up exhaust flow on your Trailblazer SS TBSS with Speed Engineering's 3" off-road Y-pipe. Built from 304 natural stainless steel with mandrel-bent tubing, TIG-welded construction, and stainless band clamps included. An optional wideband tuning bung is available for those running a wideband O₂ sensor for tuning purposes.
Dyno proven and built to the same standard as Speed Engineering's full header lineup.
Features:
- 3" Mandrel Bent Tubing — Consistent diameter throughout for maximum exhaust flow
- Optional Wideband Tuning Bung — Available for wideband O₂ sensor placement for tuning applications
- Stainless Steel Band Clamps Included
- 304 Natural Stainless Steel Construction — Corrosion resistant, heat tolerant, and built to last
- Dyno Proven
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Direct Fit with Speed Engineering longtube headers
WILL NOT FIT FACTORY MANIFOLDS
Vehicle Applications:
Chevrolet Trailblazer SS
- 2006 Chevrolet Trailblazer SS TBSS
- 2007 Chevrolet Trailblazer SS TBSS
- 2008 Chevrolet Trailblazer SS TBSS
- 2009 Chevrolet Trailblazer SS TBSS
FAQ
What size tubing does this Y-pipe use?
This Y-pipe uses 3" mandrel bent tubing throughout with stainless band clamps included for installation.
Does this Y-pipe include a wideband tuning bung?
An optional wideband tuning bung is available for those running a wideband O₂ sensor for tuning purposes.
What material is this Y-pipe made from?
304 natural stainless steel with full TIG-welded construction and mandrel-bent tubing for consistent flow and long-term durability.
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).
