I did this first. I removed my resonators and kept stock muffler. The only change was it was more raspy at higher RPMs and that was about it. I honestly could barely hear any change at all. I might still have a video of it if you want me to search for it I'll try and post it up for you?.
BMW 2006 M5 - REALLY LOUD
Audi S4 2000 Stage 3 - Dat turbo spool
BMW 2000 3-series
Because race car SOLD
Maserati 2004 M128 GT
- HREs/tint/straight piped SOLD
BMW 2006 M3 - stock - SOLD