Upgrade your Senna with new Downpipes!
Factory downpipe catalytic cores are known to fail.
These re-engineered downpipes feature larger GESi catalyst cores for better flow and longevity. We utilize 3.5” tubing until the billet CNC ball ends for perfect factory fit.
Add one of amazing Senna Ti X-Pipe exhausts for the ultimate performance and style.
- Billet turbine flanges.
- Fabricated with tabs to mount factory shields.
- Ceramic coated for cooler engine bay temps.
Also available catless for track racing only. Requires an ECU calibration..
- Inconel 625 Option
- 321 Stainless Steel Option
2019+ McLaren Senna
We’ve got your back!
Function Factory Performance takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and excellent, so without hesitation, call (480) 576-8606; feel free to direct message on our live chat, or CLICK HERE to contact us via email.