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      09-19-2019, 05:44 AM   #10
doughboy
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Drives: 2018 M2 Comp 6MT
Join Date: Jan 2009
Location: UK

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Quote:
Originally Posted by _RS4_ View Post
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So no OPFs, no soot build up, no back pressure built up and no need of regeneration.
This is not a filter, it's a performance killer.
Exactly!
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