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      12-10-2012, 04:23 PM   #14
Drives: 2009 e92 M3 Coupe M/T
Join Date: Jul 2012
Location: San Diego, CA

Posts: 64
iTrader: (2)

What problems could the Catless dps cause?
I have to take them out for every warranty service right?
Could they cause excessive damage on a long road trip? 1k miles non stop?
Thank you guys so much for your time and patience. I just want to protect my car and use the warranty to my advantage while increasing sound and hp
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