This Kooks Ford Coyote engine header flange is a 3/8-inch-thick stainless steel flange with round ports sized for 1-7/8 primaries, made to OEM-minded standards. Kooks manufactures high-performance exhaust components in the USA and uses T304 stainless steel construction. Their parts are dyno and race tested, backed by a limited lifetime warranty to the original purchaser and produced with a family-owned, performance heritage.
Kooks Ford Coyote Engine Header Flange 3/8 Thick SS Round Ports for 1-7/8 Primaries