Stainless Works Header Flange SBC 1-7/8" Square Port ZNrGw~ AWE Dual-to-Triple Tip Conversion for

AWE Dual-to-Triple Tip Conversion for 10th Gen Civic Si - Diamond Black Tip (AWE Exhaust required)

There is just a tiny vent on top for air flow

AWE Touring-to-Track Conversion Kit for 17+ Challenger - Quad Tips

490 Shank length for use with Centerline Convo Pro and Weld Pro Star wheels

Stainless Works Header Flange SBC 1-7/8" Square Port ZNrGw~ AWE Dual-to-Triple Tip Conversion forSmall Block Chevy squared oval shaped port header exhaust flanges. These flanges come as a pair and are designed for 1 7 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.