Perrin 15-17 Subaru WRX Super Shifter Stop (w/PERRIN Short Throw Shifter) Suspension>Spring Insulators Adjustable diaphragm bypass valve outperforms

Adjustable diaphragm bypass valve outperforms ineffective poppet designs

and the outstanding stiffness to weight ratio that is needed to stay competitive in today's racing industry

Titanium Turbo Shields include a hi-temp rated silica insulation padding under the tight outer layer for extra added protection against extreme turbo-generated heat

evenly spaced pleats provide excellent dust holding capacity for longer service cycles between cleanings

consistency

Perrin 15-17 Subaru WRX Super Shifter Stop (w/PERRIN Short Throw Shifter) Suspension>Spring Insulators Adjustable diaphragm bypass valve outperformsPerrin 15 17 Subaru WRX Super Shifter Stop (w PERRIN Short Throw Shifter)