Upgrade the exhaust on your Trailblazer SS or TBSS with Speed Engineering's 3" cat-back system. Built from 304 natural stainless steel with mandrel-bent tubing and TIG-welded construction, this system works with both the factory manifolds and cats or Speed Engineering longtube headers and Y-pipe — making it a versatile upgrade whether you're building the exhaust system in stages or doing it all at once. Includes a single 4" exhaust tip and 3" stainless band clamps. Dyno proven.
Features:
- 3" Mandrel Bent Tubing — Consistent diameter throughout for maximum exhaust flow
- Works with Stock Manifolds and Catalytic Converters — Direct bolt-on to factory exhaust system
- Works with Speed Engineering Longtube Headers and Y-Pipe — Compatible whether building in stages or all at once
- Single 4" Exhaust Tip Included
- 3" Stainless Band Clamps Included
- 304 Natural Stainless Steel Construction — Corrosion resistant and built to last
- Compatible with 6.0L LS V8 Engines
- V8 Engines Only
- Dyno Proven
Vehicle Applications:
Chevrolet Trailblazer SS / TBSS — 6.0L LS
- 2006 Chevrolet Trailblazer SS (TBSS) — 6.0L LS
- 2007 Chevrolet Trailblazer SS (TBSS) — 6.0L LS
- 2008 Chevrolet Trailblazer SS (TBSS) — 6.0L LS
- 2009 Chevrolet Trailblazer SS (TBSS) — 6.0L LS
FAQ
Will this exhaust system work with my factory manifolds?
Yes. This cat-back system is designed to work with the factory exhaust manifolds and catalytic converters as a direct bolt-on upgrade on the Trailblazer SS and TBSS.
Will this also work with Speed Engineering longtube headers and Y-pipe?
Yes. This system is compatible with Speed Engineering longtube headers and Y-pipe as well, making it a great choice whether you are building your exhaust system in stages or completing it all at once.
What size tubing does this system use?
All tubing is 3" diameter, mandrel bent for consistent flow throughout. A single 4" exhaust tip and 3" stainless band clamps are included.
What material is this exhaust system made from?
304 natural stainless steel with mandrel-bent tubing and TIG-welded construction.
Is this exhaust system 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).
