The Kooks 2-1/2in two-bolt collector flange is a stainless collector flange with an oversized 2-1/2in opening for floating fit and slotted bolt holes to ease alignment. Made from 3/8in thick 304 stainless steel and sold individually, it suits collector joins during exhaust fabrication where a floating fit and slotting simplify installation.
Kooks Universal 2 1/2in Two Bolt Coll Flange