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MAD BMW S58 X3M X4M Catted High Flow 200 cell Downpipes MAD-161

$539.00
SKU:
MAD-161
Weight:
16.00 LBS
Shipping:
Calculated at Checkout

Available On 28th Dec 2026

Description

Upgrade your BMW S58-powered SUV with MAD S58 200-Cell Race Catted Downpipes, engineered for the BMW F97 X3M and F98 X4M. Designed to improve exhaust flow, enhance performance, and deliver a deeper, more aggressive exhaust note, these high-flow downpipes are an excellent option for performance-focused builds.

Constructed from high-quality 304 stainless steel, MAD downpipes are built to withstand extreme exhaust temperatures and demanding driving conditions. The smooth mandrel-bent piping, combined with 200-cell high-flow catalytic converters, reduces exhaust restriction and supports improved horsepower, torque, and throttle response.

The freer-flowing design can deliver gains of up to 30 horsepower on stock turbochargers, with additional performance potential when paired with upgraded turbocharger setups. These downpipes also enhance the exhaust character of the S58 engine without introducing excessive drone.

Designed for straightforward installation, MAD S58 downpipes feature direct bolt-on fitment to the factory exhaust system without requiring cutting or welding. They are also compatible with most aftermarket exhaust systems, providing flexibility for future exhaust upgrades.

Features

  • 200-cell high-flow race catalytic converters.

  • High-quality 304 stainless steel construction.

  • Compatible with both right-hand-drive (RHD) and left-hand-drive (LHD) vehicles.

  • Smooth mandrel-bent piping designed to maximize exhaust airflow without excessive drone.

  • Potential horsepower increase of up to 30 HP on stock turbochargers.

  • Additional performance potential with upgraded turbocharger setups.

  • Integrated flex sections for added durability.

  • Direct bolt-on installation with no cutting or welding required.

  • Compatible with the factory exhaust system and most aftermarket exhaust systems.

  • Lifetime warranty against manufacturing defects and fitment issues.

  • No check engine light guarantee.

For BMW S58 owners seeking increased exhaust flow, enhanced throttle response, a more aggressive exhaust note, and performance-oriented 200-cell catalytic converters, MAD Race Catted Downpipes provide a direct-fit upgrade for the F97 X3M and F98 X4M platforms.

Race Use Only – Emissions Disclaimer

This product is not legal for sale or use on pollution-controlled vehicles operated on public roads, highways, or streets. It is intended solely for off-road, racing, or closed-course competition use where permitted.

By purchasing this product, you acknowledge that you are responsible for complying with all applicable emissions laws and regulations. MAD and its affiliates disclaim liability for improper or unlawful use. Use on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws.

Please check all applicable laws and regulations before purchasing or installing this product.

Vehicle Fitment

  • 2020+ BMW X3M (F97)

  • 2020+ BMW X3M Competition (F97)

  • 2020+ BMW X4M (F98)

  • 2020+ BMW X4M Competition (F98)

Upgrade your 2020+ BMW F97 X3M or F98 X4M with MAD S58 200-cell race catted downpipes. Features 304 stainless steel, high-flow catalysts, direct bolt-on fitment, and potential gains of up to 30 HP on stock turbos. Race use only.