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
Frequently Asked Questions:
Q: 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.
Q: 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.
Q: 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.
Q: What size tubing does this X-pipe use? This X-pipe uses 3" mandrel bent tubing throughout with 3" band clamps included for installation.
Q: 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.
Q: What material is this X-pipe made from? 304 natural stainless steel with full TIG-welded construction and mandrel-bent tubing.
Q: 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).