Quote:
Originally Posted by jbash87
Funny. I just removed the DOC from my ATM downpipe. No difference at start-up as the DOC doesn't do anything until it's warmed up. When warm I don't notice any difference because I don't hang out behind my car.
In terms of noise, I can hear slightly more turbo whistle under normal driving conditions. If I roll the windows down as I'm pulling through my alley the turbo whistle is definitely noticeable, but I like it.
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Haha, well I just spent an extra $275 for the DOC! I JUST came across this video of my exact setup I'll be doing last night... It's a little tamer than I was hoping for TBH, but I'm sure my wife will appreciate the slightly tamer sound and less diesel smell...
https://www.youtube.com/watch?v=z74x1mWuRG0
Interestingly, you can't hear the turbo whistle at idle with the ATM DOC and DUDMD stage 2 tune...