Revel Medallion Touring-S Catback Exhaust - Dual Muffler / 13-17 Lexus GS350 F SPORT AWD/RWD Nissan-300zx-1988 - O-ring Gasket

- O-ring Gasket

Others utilize hoses that are too small and runs that are too long to allow proper PCV ventilation causing internal motor/ring sealing issues

If you look at the way the thigh bolsters come into contact with the back of the seat

Another common issue that they are fixing is that in stock form

Brian Crower valve spring and titanium retainers kits are system matched to work in unison to deliver better valve control at extended rpm's and allow for greater lift camshafts for added performance and reliability

Revel Medallion Touring-S Catback Exhaust - Dual Muffler / 13-17 Lexus GS350 F SPORT AWD/RWD Nissan-300zx-1988 - O-ring GasketRevel Medallion Touring S Catback Exhaust Dual Muffler 13 17 Lexus GS350 F SPORT AWD RWD