Vibrant Performance Coupler 3" x 4" Long Flexible S/S 421993 The Top Air system fits

The Top Air system fits over the forward two holes and extends down the front of the helmet and just under the top of the visor

4-Bolt Pattern

Diamond Fire

7156 or 3756

Vibrant Performance Coupler 3" x 4" Long Flexible S/S 421993 The Top Air system fitsVibrant's TurboFlex Coupling features a 304 Stainless Steel Interlock Liner that facilitates smooth flowing high temperature exhaust gases. These Flexible Couplings are recommended for high performance (forced induction) applications. Recommended for high performance forced induction applicationsVibrant Performance was established in 1997 to design and produce Exhaust and Induction components for the Sport Compact performance market, which, at the