- New
A 3" straight through design unleashes all the power your 2002-2007 WRX 2004-2007 STI engine can make. Unique flange design allows the WS02-RMA-TI to be bolted directly to either the factory mid-pipe or the TXS mid-pipe.
A 3" straight through design unleashes all the power your engine can make. Unique flange design allows the WS02-RMA-TI to be bolted directly to either the factory mid-pipe or the TXS mid-pipe.
NOTE: This part is designed to work with either an OEM midpipe OR a TurboXS midpipe only!?