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5" INLETThese mufflers are made from highest grade 304 stainless steel which delivers improved performance via efficient exhaust throughput and maximizes overall engine efficiency
You will definitely notice a difference with and without them
Oil Return Gasket X1
- Air Flow 1000 CFM
This set fits all WRX & STi 2000 to 2002 Bug eye Fitted with the EJ20T
38MM BLACK EXTERNAL WASTEGATE - 14 PSI GC8 WRX 5" INLETThese mufflers are madeExternal 38mm Wastegate Stainless steel is used for valve and valve housing with a high temperature actuator diaphragm. Actuator spring gives consistent pressure at high temperatures, resists "Relaxing" at high temperatures. CNC machined 10mm thick weld flanges. Colour anodized aluminium actuator housing. External wastegate is commonly used for regulating boost levels more precisely than internal wastegate in high power applications. Wastegate vents