Connecting your Speed Engineering longtube headers to the factory cat-back on your CTS-V? This is the X-pipe that completes the system. Built from 3" mandrel bent 304 natural stainless steel with TIG-welded construction and 3" stainless band clamps included — a clean, direct-fit connection between your longtube headers and the existing axle-back on 2009–2015 CTS-V applications.
⚠️ Important: This X-pipe 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
- True X-Pipe Design — Balances exhaust pulses between banks for improved tone and mid-range power
- 3" Stainless Band Clamps Included
- 304 Natural Stainless Steel Construction — Corrosion resistant, heat tolerant, and built to last
- Compatible with 6.2L LSA Supercharged Engines
- Dyno Proven
Vehicle Applications:
Cadillac CTS-V — 6.2L LSA Supercharged
- 2009 Cadillac CTS-V — 6.2L LSA
- 2010 Cadillac CTS-V — 6.2L LSA
- 2011 Cadillac CTS-V — 6.2L LSA
- 2012 Cadillac CTS-V — 6.2L LSA
- 2013 Cadillac CTS-V — 6.2L LSA
- 2014 Cadillac CTS-V — 6.2L LSA
- 2015 Cadillac CTS-V — 6.2L LSA
FAQ
Will this X-pipe work with my factory exhaust manifolds?
No. This X-pipe is designed for use with Speed Engineering longtube headers only and is not compatible with factory exhaust manifolds.
What size tubing does this X-pipe use?
3" diameter, mandrel bent for consistent flow throughout. 3" stainless band clamps are included for installation.
Does this fit the Gen 3 CTS-V (2016–2019)?
No. This X-pipe is designed specifically for the 2009–2015 Gen 2 CTS-V with the 6.2L LSA supercharged engine. The Gen 3 CTS-V (2016–2019) uses the LT4 engine and requires a different system.
What material is this X-pipe made from?
304 natural stainless steel with mandrel-bent tubing and TIG-welded construction. 3" stainless band clamps are included.
Is this X-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).
