BMW Catback Exhaust Systems

True performance, durability, and attractive weight advantages with innovative features places the Active Autowerke E9X BMW M3 exhaust in a class of its own. This system is constructed from 100% 304-stainless steel and features adjustable Active Autowerke double walled tips, making it ideal both for 2-door and 4-door models (also allows for cleaner fitment with diffusers).

This system uses factory style flanges making it a complete bolt on system that requires no cutting or welding. The system is a straight-through design providing substantial improvements to gas flow over the factory exhaust.

The sound is unobtrusive, with a rich mellow tone and delivers a solid 5+hp, with key gains in the mid-range. In addition, the Active Autowerke E9X M3 Signature Exhaust system features large 3" piping for maximum exhaust flow while maintaining enough back-pressure to result in horsepower increases across the entire RPM range.

The factory E9X M3 muffler features a Noise Canceling Chamber inside the muffler and Active Autowerke has retained this feature by adding two custom Active Autowerke noise canceling chambers (NCC)on each muffler to reduce/minimize the drone (the 'booming' noise some muffler emit at cruising speeds, ~3500 rpm).

The Active Autowerke E9X M3 Signature Exhaust System provides increase in horsepower, great sound and appearance making it a must for the true M3 enthusiasts.


Features:

• Large 3-inch mandrel bent piping for maximum flow 
• Durable, 100% 304 brushed stainless steel 
• Double-walled 76mm Signature stainless tips
• Revolutionary NCC -Noise Cancelling Chamber 
• Adjustable Tips with Embossed Active Autowerke Logo
• Improved power & torque throughout entire RPM band 
• Gains of 5+ HP over stock configuration; Additional HP with our programmed software 
• BMW factory style hardware makes a truly easy installation with no need for cutting or re-welding 
• Weighs 40 Lbs vs. the factory of 55.1 Lbs.
• Complete illustrated instruction manual
• Two year warranty

MINI R53 Cat-Back Exhaust System - Non Resonated - Black Tips is designed to enhance both performance and sound for the MINI R53. Crafted by Milltek, this exhaust system features 2.50" T304 stainless steel construction and dual 76.2mm black JCW-style tips, delivering a striking appearance and aggressive exhaust note.

• Enhanced Performance: Boosts horsepower and torque while improving throttle response.
• Aggressive Sound: Non-resonated design provides a bold, sporty exhaust note.
• Premium Construction: Made from high-quality T304 stainless steel for durability and corrosion resistance.
• Stylish Appearance: Features black 76.2mm tips for a sleek, modern look.
• Easy Installation: Includes all necessary components and bracket locator for 2004 models.

With over 32 years of expertise in designing and manufacturing performance exhausts, Milltek's MINI R53 Cat-Back Exhaust System is engineered to meet the highest standards of quality and performance. Backed by a lifetime warranty for the original purchaser, this exhaust system offers both style and reliability.

MINI R53 Cat-Back Exhaust System - Non Resonated - Polished Tips offers a high-performance upgrade for your MINI R53. This exhaust system is designed to enhance both the sound and aesthetics of your vehicle, featuring high-quality materials and a sleek finish.

• Durable Construction: Made from 2.50" stainless steel for long-lasting performance and resistance to corrosion.
• Enhanced Aesthetics: Equipped with dual 76.2mm detachable polished tips for a distinctive and polished look.
• Improved Sound: Non-resonated design provides a more aggressive exhaust note, enhancing your driving experience.
• Performance Upgrade: Optimizes exhaust flow for potential gains in power and torque.