Rally Armor - Subaru 15-21 WRX & STi - Urethane Mud Flaps (Black w/ Silver Logo) subaru-wrx-2004 It joins the stock airbox

It joins the stock airbox (or optional COBB SF Intake) to the turbo inlet tube by replacing the stock corrugated rubber piece

To reduce air intake temperatures (IATs)

and it includes the Mishimoto Lifetime Warranty

enhancing the overall performance of your engine

Rally Armor - Subaru 15-21 WRX & STi - Urethane Mud Flaps (Black w/ Silver Logo) subaru-wrx-2004 It joins the stock airboxCrafted 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.