CTS Turbo BMW 30i B46 Downpipe
The CTS Turbo B46 Downpipe is a high-flow, stainless steel upgrade that reduces backpressure, improves turbo response, increases horsepower and torque, and delivers an aggressive exhaust note with seamless fitment for both OEM and aftermarket systems - for BMW 230i, 330i, 430i, and 530i (F2X, F3X, G20, G30, including xDrive).
- SKU
- CTS-EXH-DP-0037
- Category
- Aftermarket Engine Management
- Fits
- BMW
F2X/F3X/G20/G30 230I/330I/430I/530I & XDRIVE B46
Unlock the full potential of your BMW 230i, 330i, 430i, or 530i (F2X, F3X, G20, G30) — including xDrive variants — with the CTS Turbo B46 Downpipe. Engineered for performance enthusiasts, this high-flow downpipe is constructed from premium stainless steel with smooth mandrel bends to ensure optimal exhaust flow and long-term durability. By significantly reducing backpressure and eliminating factory restrictions, it enhances turbo spool, sharpens throttle response, and delivers noticeable gains in horsepower and torque across the rev range.
Beyond performance, the CTS downpipe adds a deeper, more aggressive exhaust note, giving your BMW the sound it deserves. Designed with direct-fit compatibility in mind, it integrates seamlessly with OEM or aftermarket exhaust systems and supports future tuning upgrades. Whether you're building a street car or prepping for track use, the CTS B46 Downpipe offers an ideal balance of performance, sound, and reliability.