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
Frequently Asked Questions:
Q: 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.
Q: 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.
Q: 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.
Q: What material is this exhaust system made from? 304 natural stainless steel with mandrel-bent tubing and TIG-welded construction.
Q: 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).