Product details:

These USA Made flanges are cut from beefy 1/2" thick 304 Stainless Steel to avoid any warping issues The port sizing on these MAP Subaru exhaust header flanges is optimized for use with a 1.75" runner to help your engine breathe! Saves time & Energy Features: The MAPerformance EJ25 Subaru Exhaust Manifold Head Flanges will save you the high cost of getting header flanges custom made when youre looking to fabricate a custom header or turbo manifold for your Subaru EJ25 powered project. These USA Made flanges are cut from beefy 1/2" thick 304 Stainless Steel to avoid any warping issues The port sizing on these MAP Subaru exhaust header flanges is optimized for use with a 1.75" runner to help your engine breathe!