Mazda SPEED 3 BL Cat Back Exhaust System 3.5 inch exhaust resonators Seamlessly switch between quiet mode

Seamlessly switch between quiet mode and performance mode to match your driving mood and environment

add a Smartbox for the ultimate in control using the patented Bluetooth smartphone app to provide pre-set automatic valve control

Wiring harness

Make it yours

Brushed 304 stainless steel

Mazda SPEED 3 BL Cat Back Exhaust System 3.5 inch exhaust resonators Seamlessly switch between quiet modeTransform your Mazda SPEED 3 BL with the Xforce Cat Back Exhaust System. Crafted from premium grade stainless steel, this system features mandrel bent tubing and smooth transitions for maximum flow and performance gains. With a high flow muffler and resonator, the Xforce Cat Back Exhaust System delivers an aggressive exhaust note that's sure to turn heads. Experience improved throttle response, increased horsepower, and torque gains throughout the RPM