Thread: CHALLENGE - F30 335 - HFC and Catless Downpipes - Now Released! - Pics inside -
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      03-01-2013, 09:48 PM   #138
E36toF30
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Drives: 2011 E92 M3 DCT
Join Date: Feb 2012
Location: CO

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Has anyone actually received and installed the Challenge catback exhaust? I don't see anywhere to actually buy it. Impressions on how it sounds compared to stock?
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