Quote:
Originally Posted by CantComplain
Coding out the cold start (like with BM3) is quieter than bumping up the RPMs, trust me. It IS quieter than just idling though, for sure. I did the catted downpipe first and struggled to keep it at less-than-obnoxious decibel levels and feel like I didn't really succeed until I disabled the cold start.
Non-MPEs don't have a valve controller on the exhaust, so if you have MPE that obviously adds another variable into the mix.
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I know it may not be as effective as a cold start delete but it's a free and easy work around if you don't want to modify the ECU so I was just offering it as an alternative.