They don't reduce vibration, they allow for the motor to rock which in turn require the pipes to be able to flex.
I used 8" long flexes as they won't bind up under the rocking of the engine.


2000 SVT Turbo 295hp/269ftlb@12psi #1 for Bendix Brakes Kits! Knuckles rebuilt w/new bearings $55 AUSSIE ENDLINKS $70 Gutted pre-cats $80/set A lack of planning on your part does not constitute an emergency on mine!