GrimmSpeed Turbo Heat Shield Subaru Turbo Models Mazda The Perrin Boost Tube kit

The Perrin Boost Tube kit is available for customers that have purchased the Perrin FMIC Core for your Subaru STI

The homologated stainless steel aftermarket Evolution exhaust system with an integrated resonator and end muffler is equipped with adjustable tail pipes made of titanium or carbon fiber

The construction is reinforced extruded aluminum

Lowering range of 1

- Bar and Plate Aluminum Intercooler with cast end tanks

GrimmSpeed Turbo Heat Shield Subaru Turbo Models Mazda The Perrin Boost Tube kitGrimmspeed Turbo Heat Shield for Subaru WRX, STI and Legacy is designed these to work with even some of the largest turbos on the market as well as people running an external wastegate. We knew when it came time to design this product we didn't want to just create another heat shield to add to the mix, but create another level of product. The basic heat shield would not cut it, we wanted every fitment of turbo, downpipe, and up pipe combination we