K&N Universal Air Filter 5in ID x 8.75 Tall (RU-3107HBK) Pistons STi and BRZ models are

STi and BRZ models are ideal for autocross and track day drivers looking for a high performance race compound that can take the heat of the track and get you home safely without having to change the pads

0XTR is the bolt-on solution for your Evolution 4/5/6/7/8/9

40"x17"x5"

safe for E85

K&N Universal Air Filter 5in ID x 8.75 Tall (RU-3107HBK) Pistons STi and BRZ models areK&N universal round tapered black air filter with a 5" flange inlet, 8. 75" filter height and rubber top. Includes the filter with matching stainless steel hose clamp. This is the replacement air filter for the STM Ram TRX Intake. Purchase Includes: (1) Filter with Clamp Part Number: RU 3107HBK Flange ID: 5" (127mm) Height: 8. 75" (222mm) Flange Length: 1" (25mm) Base OD: 6. 5" (165mm) Top OD: 4. 75" (121mm) Flange: Centered More Info: All K&N