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      03-12-2018, 09:39 AM   #29
TheHouseWon
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Drives: 2013 M5
Join Date: Nov 2015
Location: SoCal

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Quote:
Originally Posted by Darkshear View Post
I feel like I should have done downpipes but I hate that smell and I don't really want to put a tune on the car. I'd go catted race downpipes if I had some good feedback from the group here to tell me the sound would be comparable to catless, and that I wouldn't need to delete codes.
Tuning out the cats is a by-product of a full tune. The smell is a little annoying, but not really present if you keep the windows up when at a standstill (traffic, stoplight, drive-thru, etc). With a tune, the car pulls harder than you can imagine. The first pull I did after I tuned and ran 22psi I was in shock... as in, "Is this the same car I was driving yesterday?!"

Now I need new tires... that 3rd gear spin is no joke.

Anyway, Armytrix sounds great with or without cats.
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