Perrin Shifter Stop WRX (2015-2018) Speedwell Wheels the factory ECU is comparing

the factory ECU is comparing the readings from a pair of oxygen sensors to measure the effectiveness of the cat

Perrin has seen 5-7 horsepower gains in conjunction with their catback exhaust

Never worry about having to re-tighten down the road

Like all H&R components

These Rally Armor urethane (UR) mud flaps for the 2002-2007 Subaru Impreza WRX and STI sedan feature a black flap with red logo and are crafted from premium polyurethane

Perrin Shifter Stop WRX (2015-2018) Speedwell Wheels the factory ECU is comparingDue to the slop of the internals in the transmission, there is an unacceptable amount of horizontal slop within the 1st and 2nd gear shift gates. What should be little to no movement ends up being nearly 1. 0 inch of play. This makes for an unnatural placement of shift gates and a lost feeling of which gear you are in. The PERRIN Shifter Stop for the 2015+ WRX removes this play, reducing the horizontal movement to 0. 12 inches. This makes for a solid