Manley Exhaust Valves Extreme Duty for 02-05 WRX / 04+ STi (Set of 8) DBA Since dry flow media is

Since dry flow media is slightly more restrictive than oiled media

APR’s design requirements called for an intake filter medium that exhibited high flow capabilities

The Radium Fuel Pulse Damper (FPD) Kit completely replaces the MK4 Supra OEM damper

and SS T-Bolt Clamps

Manley Exhaust Valves Extreme Duty for 02-05 WRX / 04+ STi (Set of 8) DBA Since dry flow media isManley Extreme Duty exhaust valves are available in different sizes and listed by head diameter. Exhaust valves are sold as a set of 8. Fits 2002 2005 EJ205 Subaru WRX and 2004 2021 EJ257 Subaru STi. These valves are not compatible with the 2006+ WRX. Vehicle Fitment: EJ205 EJ257 2002 2005 Subaru WRX 2004 2021 Subaru STi (* Not for 2006+ WRX models *) Purchase Includes: Set of 8 Valves Select Head Diameter Valve Size Manley Extreme Duty Valves: Made