Wilhelm Raceworks custom machined 304 stainless V-band expander flange to adapt 2.25" v-band clamp to a 2.5" tube. If you want to build a custom 2.5" exhaust off the Frankenstein Motorworks Headers, this is the flange you need! Or for any other custom exhaust system where you need to transition from 2.25 to 2.5 inch tube.

Compatible with Ace Race flange PN 22037 and Ace Race v-band clamp PN 22021. Fit with other brands of clamps and flanges is NOT guaranteed.

Free domestic shipping!