Looking to improve exhaust tone and flow on your CTS-V without removing the factory manifolds or catalytic converters? Speed Engineering's 3" manifold X-pipe bolts directly to the factory exhaust system, connects both sides through an X-style crossover, and keeps all O₂ sensors in place — no tuning required.
Built from 304 natural stainless steel with mandrel-bent tubing, TIG-welded construction, and 3" band clamps included.
⚠️ Important: This X-pipe is designed to work with factory exhaust manifolds and catalytic converters only. It is NOT compatible with Speed Engineering longtube headers or any aftermarket longtube header system.
Features:
- 3" Mandrel Bent Tubing — Consistent diameter throughout for maximum flow
- X-Style Crossover Design — Balances exhaust pulses between banks for improved tone and mid-range power
- Direct Bolt-On to Factory Exhaust — No cutting, welding, or modifications required
- Retains Both Front and Rear O₂ Sensors — No check engine light, no tuning required
- 3" Band Clamps Included
- 304 Natural Stainless Steel Construction — Corrosion resistant and built to last
- Compatible with LT1, LT4, ZL1, and 6.2L Engines
- Dyno Proven
Vehicle Applications:
Cadillac CTS-V — LT4 6.2L
- 2016 Cadillac CTS-V — 6.2L LT4
- 2017 Cadillac CTS-V — 6.2L LT4
- 2018 Cadillac CTS-V — 6.2L LT4
- 2019 Cadillac CTS-V — 6.2L LT4
FAQ
Will this X-pipe work with my longtube headers?
No. This X-pipe is specifically designed to work with the factory exhaust manifolds and catalytic converters only. It is not compatible with Speed Engineering longtube headers or any aftermarket longtube header system.
Will I get a check engine light after installing this X-pipe?
No. This system retains both the front and rear O₂ sensors in their factory locations, so no check engine light will be triggered and no PCM tuning is required.
Does this X-pipe require any cutting or welding?
No. This is a direct bolt-on system designed to connect to the factory exhaust manifolds with no cutting, welding, or modifications required.
What size tubing does this X-pipe use?
This X-pipe uses 3" mandrel bent tubing throughout with 3" band clamps included for installation.
What engines is this X-pipe compatible with?
This X-pipe is compatible with LT1, LT4, ZL1, and 6.2L engines found in 2016–2019 Cadillac CTS-V models.
What material is this X-pipe made from?
304 natural stainless steel with full TIG-welded construction and mandrel-bent tubing.
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).