Rally Armor - Subaru 15-21 WRX & ST - Urethane Mud Flaps (Black w/ Blue Logo) subaru-sti-2007 The cold side piping includes

The cold side piping includes an integrated bung for an Intake Air Temperature sensor which makes for a straight-forward Speed Density conversion

The new Smart Port piston is made from aerospace alloy

4 Puck Disc

Data supplied for tuning injectors with Accesstuner Software

Rally Armor - Subaru 15-21 WRX & ST - Urethane Mud Flaps (Black w/ Blue Logo) subaru-sti-2007 The cold side piping includesCrafted from premium urethane, these mud flaps have been engineered to perform consistently in a variety of environments. Our flexible UV resistant urethane mud flaps are durably abrasion resistant and long wearing. These UR premium urethane mud flaps are formed for variably high hot and or low cold temperatures giving drivers 4 corner protection against salt, spray, paint damaging gravel, tar and grime that prematurely wear the vehicle finish away.