Vehicle Virals Reviews how to Reduce Rasp on S58 engine with Fi EXHAUST Single Front Mid Pipe Setup.
The cold start delivers a noticeably deeper growl with a single mid-pipe catback setup for G87 M2 / G80 M3 / G82 M4 models, it’s evident both at idle and through the rev range—especially below 4,000 RPM. While there’s a slight hint of rasp here and there, which is the reality of the S58 engine. But it’s definitely more controlled compared to the dual mid-pipe setup. If you’re someone who prefers a less raspy exhaust note without sacrificing that aggressive tone, this is a solid choice.
