Looking for a true dual exhaust upgrade for your G8, Caprice PPV, or SS Sedan? Speed Engineering's true dual exhaust system is built from 3" mandrel bent 304 natural stainless steel with a true dual X-pipe design, insulated blow-through mufflers, and dual 3.5" rear exit tips included. One of the standout features of this system is its versatility — it works with both the factory exhaust manifolds and cats or Speed Engineering longtube headers, giving you flexibility whether you're building in stages or all at once.
⚠️ Important Installation Notes:
- Cutting on the factory exhaust is required for cat-back installation
- For longtube header applications: Speed Engineering's X-pipe kit is required for proper connection — sold separately
- Caprice PPV applications: Modifications are required. Tips will need to be extended approximately 6" to align with the factory bumper cutout
Features:
- 3" Mandrel Bent Tubing — Consistent diameter throughout for maximum exhaust flow
- True Dual X-Pipe Design — Balances exhaust pulses between banks for improved tone and mid-range power
- Works with Stock Factory Manifolds and Catalytic Converters — Direct bolt-on compatible
- Works with Speed Engineering Longtube Headers — Compatible when used with Speed Engineering X-pipe kit
- Insulated Blow-Through Mufflers — 3" inlet / 2.5" dual outlet per muffler
- Dual Rear Exit Design
- Dual 3.5" Exhaust Tips Included
- 3" Stainless Band Clamps Included
- 304 Natural Stainless Steel Construction — Corrosion resistant, heat tolerant, and built to last
- Compatible with 6.0L LS2 and 6.2L LS3 Engines
- V8 Engines Only
- Dyno Proven
Vehicle Applications:
Pontiac G8 — LS2/LS3
- 2008 Pontiac G8 — 6.0L LS2
- 2009 Pontiac G8 GT — 6.0L LS2
- 2009 Pontiac G8 GXP — 6.2L LS3
Chevrolet Caprice PPV — 6.0L
- 2011 Chevrolet Caprice PPV — 6.0L
- 2012 Chevrolet Caprice PPV — 6.0L
- 2013 Chevrolet Caprice PPV — 6.0L
- 2014 Chevrolet Caprice PPV — 6.0L
- 2015 Chevrolet Caprice PPV — 6.0L
- 2016 Chevrolet Caprice PPV — 6.0L
- 2017 Chevrolet Caprice PPV — 6.0L
Chevrolet SS Sedan — 6.2L LS3
- 2014 Chevrolet SS Sedan — 6.2L LS3
- 2015 Chevrolet SS Sedan — 6.2L LS3
- 2016 Chevrolet SS Sedan — 6.2L LS3
- 2017 Chevrolet SS Sedan — 6.2L LS3
Frequently Asked Questions:
Q: Does this exhaust system work with factory manifolds or only with longtube headers? Both. This system is compatible with the factory exhaust manifolds and catalytic converters as well as Speed Engineering longtube headers. When using with longtube headers, Speed Engineering's X-pipe kit is required and is sold separately.
Q: Does installation require cutting the factory exhaust? Yes. Cutting on the factory exhaust is required for cat-back installation on all applications.
Q: Do Caprice PPV applications require any special modifications? Yes. Caprice PPV applications require modifications for proper fitment. The exhaust tips will need to be extended approximately 6" to align with the factory bumper cutout.
Q: What mufflers are included? This system uses insulated blow-through mufflers with a 3" inlet and 2.5" dual outlet per muffler.
Q: What tips are included? Dual 3.5" rear exit exhaust tips are included with the system.
Q: What size tubing does this system use? All tubing is 3" diameter, mandrel bent for consistent flow throughout. 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).
