ACT Heavy Duty Performance Street Disc Clutch Kit STI (2004-2018) Mazda The specific timing of when

The specific timing of when the reflected sound waves rejoin the main exhaust flow creates a one-hundred-and-eighty-degree out-of-phase sound wave that cancels out problematic frequencies

The more rigid design of the PSRS eliminates suspension misalignment making your MINI handle consistently and predictably during all driving conditions

ACT's Performance street discs are the most popular disc purchased

5” diameter piping to quad staggered 3

Mishimoto's X-Line racing radiator has 3 rows for a core that is 25% larger than the standard version

ACT Heavy Duty Performance Street Disc Clutch Kit STI (2004-2018) Mazda The specific timing of whenThe SB10 HDSS kit from ACT for the Subaru STI features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four stage, heat treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Performance