F90 M5 & F91/F92/F93 M8 S63R Cen-Cal Catless Downpipes (Primary & Secondary)
Unlock the true potential of your BMW’s S63R engine with the CenCal S63R Catless Downpipes — the ultimate performance upgrade for maximum airflow, sound, and power. Designed to replace the restrictive factory catalytic converters, these downpipes allow your turbos to spool faster and breathe freely, delivering sharper throttle response, improved turbo efficiency, and a deep, aggressive exhaust note that amplifies the M experience.
Built with precision and engineered for both right-hand and left-hand drive applications, our S63R downpipes ensure a perfect fit and reliable performance. Whether you’re running a stock turbo setup or upgraded units, these downpipes are a proven way to extract serious performance gains from your M5 or M8.
Every CenCal order is eligible for Package Protection, powered by Redo. It is selected by default at checkout and covers your shipment against loss, theft, and damage in transit.
What it covers:
- Lost packages confirmed by the carrier
- Stolen packages marked as delivered but not received
- Items that arrive broken or damaged in transit
Resolution: Approved claims receive a full replacement at no cost. For damage claims, you keep the damaged item and receive a brand new replacement.
Claims must be filed within 7 days of the delivery date. See the full policy or email support@cencalmotorsport.com if you need help.
If protection is removed at checkout, CenCal cannot file a claim or accept responsibility for shipping issues.
Shop Install Available
Bring your car to our Oceanside shop. We install everything we sell.
Fitment Guaranteed
Every part is confirmed to fit your chassis before it ships.
Package Protection
Something go wrong? We'll send out a free replacement. No questions asked.
Expert Support
Real answers from people who build these cars. Reach us anytime.
