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Here is a video of my car with the OEM Exhaust mod (I believe it is the two pipe method, but the previous owner did it so I can't be sure)
My opinions on this mod:
This is how the car should have sounded from the factory. It is amazing and I never get bored of it.
Starting the car in the morning in my garage it sounds absolute beast. It puts a smile on my face from ear to ear until the cold start kicks off. At idle, the car sounds like stock. I have compared it to a stock E93 M3 at idle. It may be a tad louder, but without hearing the two cars side by side the difference is negligible.
Cruising around there is no drone whatsoever. Even at highway speeds. Keep it at 2-3k RPM's at 70mph, and you can hear the exhaust, but it is nothing irritating whatsoever. Step on the gas, and the car comes alive, especially in the higher rev range.
With the windows up, the exhaust is very docile from inside the car. Outside the car on the other hand is a whole other story. Roll the windows down, and you suddenly understand why all the heads are turning as you drive by. Bottom line: the car is a lot quieter inside with the windows up than it is outside, which also helps eliminate any drone that would normally be present. I actually had a friend in the car with me the other day with the windows up, and he asked if I changed my exhaust because it sounded much quieter than he remembers (he hasn't seen my car in awhile). I said no, it's the same exhaust as before, it's just because the windows are up. I rolled the windows down for a second and gave it a little gas, and he gave me a "yep, there it is" acknowledgement.
Long story short, with JUST the OEM mod, the car is a perfect balance of bad-ass and daily driveability. There are times I think about getting test pipes to give it a more pronounced, exotic type sound, but I wouldn't recommend doing this on any M3 you might even semi-daily drive. I have heard a full exhaust M3 before (I believe he had Borla exhaust and test pipes) and when he downshifted from 5 cars ahead of me on the Autobahn it sounded like he was right next to me. I couldn't live with that, and I have heard the drone with test pipes is unbearable.
My advice: start with the OEM mod. If you want more (but I suspect you will be content with just the OEM mod), then do test pipes. |
Fantastic reply to the thread!!!
Sounds very good! It is noticeably louder than the non-oem mod. I wonder if it could be the bypass OEM mod?