E30 325i Straight Pipe (Drive by, Rev Limiter)

1988 325i, 5 speed swap, Auto Diff Really makes this car quicker than it should be. Exhaust: Stock manifolds, Y together into 2.5“ pipe from. Completely straight piped, nothing in the exhaust. It will be quieted with a resonator and muffler, but just wanted to start with nothing in the exhaust. Irrelevant Modifications: BC Racing Coilovers