I recently installed an MSDS y-pipe on my '99 svt and there is an exhaust leak where the y-pipe connects to the cat. I have tried both the old donut gasket and the new one with no success. Does anyone have any ideas? Thanks
1999 SVT
removed res
FMS 9mm
metal impellar
Koni struts
PG Xenon 6.5
MSDS Y-pipe