Grimmspeed Turbo to Downpipe Gasket - FA20, 15-21 WRX - 020033 Exhaust Hangers Faster response time improves wideband

Faster response time improves wideband feedback control

Direct OE Replacement – Drops right into the OEM airbox for an easy install

This was designed to be used with B-Series or K-swap shifters

It's the highest purity available in the United States

as well as more pronounced gear engagements

Grimmspeed Turbo to Downpipe Gasket - FA20, 15-21 WRX - 020033 Exhaust Hangers Faster response time improves widebandGrimmSpeed OEM Style Gasket, better than OEM quality at an attractive price. At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi layer steel OEM style gaskets. The issue with the most exhaust gaskets (including OEM) is that even if they're multi layer, they're not completely constructed of Stainless Steel which leads to leaks. Well GrimmSpeed has your answer, a premium multi layer stainless