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      08-14-2013, 08:09 AM   #17
mkPOTO
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Drives: BMW M3 | X5 xdrive 35i MSport
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Quote:
Originally Posted by KmndntKlink View Post
Jesal, thanks for the input! I'm researching getting a new midpipe for the gains, do you find the challenge street or sport is better in terms of maximizing gains while limiting the smell/rasp/drone for a daily driver? Is the street harder to install? I wonder as its so much cheaper.

Any advice is greatly appreciated!
The challenge sport you will need to cut your stock cats and either weld them or clamp them onto the challenge pipes. I ran those for a bit, sound was very nice, but got to the point where I wanted louder. The most power you gain is from removing the primary cats. I ran Challenge Race+ (straight pipe) and that was too crazy, now I am running no cats and resonators and I have no issue with the fumes (i might be use to it and not going to lie.. kinda like it lol)
Appreciate 0