NEW DESIGN! TurboXS 2008-2018 WRX/STI downpipe with high flow catalytic converter uses a massive cast 304 Stainless Steel Bellmouth that tapers to 3.0" piping where it connects to the mid-pipe.
Features Include:
Two-piece design:
Reduced shipping costs
Easier installation
Cast 304 Stainless Steel Bellmouth upper section for maximum exhaust gas flow
3.5 inch diameter 304 Stainless Steel pipe tapering smoothly to 3.0 inch
Spare wideband oxygen sensor bung included
Modified pipe path to provide more ground clearance for lowered cars than previous design