Porterfield Brake Pads for 2003 SUBARU IMPREZA COUPE RS Engine Management Systems crate engine tests showed gains

crate engine tests showed gains of 3-4 HP and more torque than a competitor’s standard 110 leaded race gas

✓ Ships from FL Warehouse ✓ LED Projector Design ✓ Chrome Housing

Ships primed and ready for paint or powder coating

Professional Installation Guide

Porterfield Brake Pads for 2003 SUBARU IMPREZA COUPE RS Engine Management Systems crate engine tests showed gainsPorterfield Brake Pads for 2003 SUBARU IMPREZA COUPE RS Porterfield R4 Porterfield R4 Carbon Kevlar based brake pads were fully designed for heavy duty extreme motorsports use. Its one of the the few true motorsports competition pads available on the market today. The carbon based semi metallic R4 brake material allows the brake pad to absorb huge amounts of heat and dissipate it quickly and evenly over time. The Carbon Kevlar material also allows the