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      06-11-2012, 09:42 PM   #10
Formerly Known As ftconstruct
Drives: 13 E92 M3
Join Date: Dec 2007
Location: New York

Posts: 669
iTrader: (14)

I installed the Challenge axle back about a week ago. It sounds incredible in my opinion. I am coming from an Eisenmann Sport paired with the Challenge Street x-pipe. I am running the stock x-pipe pipe with the new Challenge exhaust and I think it would be too loud for my taste with an aftermarket x-pipe. I will post a full review soon. Very happy so far.
2013 E92 M3 DCT/LMB/Blk Nov/Competition/Premium/Cold Weather/EPS/BMW Apps/SAT Radio
FrankThomas is offline   United_States
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