Unleash the full power and sound of your BMW X3M F97 or X4M F98 with the CRT Performance Catless Downpipes. Designed specifically for the S58 engine, this system eliminates the restrictive factory catalytic converters to maximize exhaust flow, improve turbo response, and deliver a sharper, more aggressive exhaust tone.

Product Specifications

• Material: Handcrafted from premium 304-grade stainless steel for superior durability and heat resistance.

• Flanges: CNC-machined from solid 304 stainless steel for perfect OEM-level fitment.

• Smooth Mandrel Bends: Precision-engineered to reduce turbulence and optimize exhaust gas flow.

• Welding: Expertly TIG-welded for strength, precision, and a clean finish worthy of performance builds.

Key Features

• Reduced Backpressure: Faster turbo spool and sharper throttle response.

• Lightweight Design: Significantly lighter than the stock downpipe for improved efficiency.

• Power Gains: Noticeable increase in low- and mid-range torque and horsepower.

• Enhanced Sound: Deep, aggressive exhaust tone for a true motorsport experience.

Important Notice

This downpipe is catless and intended for off-road or motorsport use only.
Use on public roads may trigger a Check Engine Light (CEL) and is not emissions compliant in most regions.

Compatibility

• BMW X3M F97 (2019+)

• BMW X4M F98 (2019+)