All Balls Racing 88-90 Yamaha DT50 Crank Shaft Bearing Kit 1999-gmc-jimmy-envoy-esi4101803 This Evolution Line (Titanium) does

This Evolution Line (Titanium) does not fit on Cayenne GTS Coupe with optional Sports exhaust system with central tailpipes

deflate when riding light

By changing the block off plates that come with the system you can adjust the SPL (Sound Pressure Level) to your taste

(1) ORB-08 Outlet Port & (1) ORB-08 Return Port

All Balls Racing 88-90 Yamaha DT50 Crank Shaft Bearing Kit 1999-gmc-jimmy-envoy-esi4101803 This Evolution Line (Titanium) doesDouble lip seals with PTFE contact area tolerate dry start conditions Double lip seals with PTFE contact area tolerate dry start conditions Koyo precision crank bearings Less journal wear