M235i Dyno information: www.armytrix.com/BMW-M235i.php More M235i exhaust sound videos: www.youtube.com/user/armytrix This customer purchased the cat-back valvetronic exhaust system with special custom matte black tips Now it looks fierce and sounds really badass! To enhance BMW M235i by...

Performance: +24.7 ps gained Wireless remote control modes: on, off, TPS/RPM auto The only system in the market that truly unleash the power and sound within M235i It sounds IMMENSE!