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      08-07-2018, 02:00 PM   #11
shahin
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Canada
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Drives: 18 M5 FE,15 M6 GC, 12 M5,06 M5
Join Date: Mar 2015
Location: Toronto

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Quote:
Originally Posted by Quickburn7 View Post
So I installed the sport exhaust and then had a custom X pipe made
Using a shop with a mandrel bending machine and 304 stainless steel.

I also think the pipes are different on the
Sport exhaust not just the resonator which I deleted.

I paid $1900 for the sport exhaust and $430 for the custom x pipe.
The sound is a bit deeper at idle and much much louder at startup
In efficient mode is about the same as stock from what I remember ( mine was stick for only 2 days)
In sport plus you do hear the difference and with my sunroof open it’s night ab day. Really worth the $.
Stock cats or did you do catless delete?
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