Stainless Works Hemi 5.7L Round Port Header 304SS Exhaust Flanges 1-5/8in Primaries - HF57H163 fits_2008-2014`Subaru`Impreza and Vibration

and Vibration

If you choose the Center Muffler Delete and come to find you want to add the Side Muffler Deletes to make it a full SwitchPath™ Exhaust

Offering quick and convenient air pressure adjustment

HKS Hi-Power MUFFLER Single WRX(STI) 2015 US

Stainless Works Hemi 5.7L Round Port Header 304SS Exhaust Flanges 1-5/8in Primaries - HF57H163 fits_2008-2014`Subaru`Impreza and Vibration5. 7L Hemi round port header exhaust flanges. These flanges come as a pair and are designed for 1 5 8" primaries, laser cut from heavy duty 3 8" thick 304 stainless steel for superior resistance to warping from high heat, and comes with a limited lifetime warranty.