I used one of those atp boost activated cut outs. I had 3" down pipe to that and ran a 2.25" exhaust with resonator. It worked amazing. Car sounded stock when driving until it opened. It opened ar...
The coolant does not EVER touch bearings, period. The sealed bearing is just that, sealed. It has its own grease and is sealed on both ends to prevent outside contaminant such as coolant, dirt, e...