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      03-10-2020, 06:46 PM   #13
Whipple
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Drives: 2015 BMW M6 Gran Coupe
Join Date: Jun 2011
Location: New York

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Quote:
Originally Posted by quick6 View Post
I too am interested in the 200 cell cats-removing all the way seems to go against my "sniff test", air pollution, etc. but would like to know if gains are made with the 200 cell cats.
Waste of money keep stock or go catless if you want more power get a tune
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2015 M6 Gran Coupe> DME stage 3 tune back end flash>JB4 with Methanol control>Fabworx Catless downpipes>Full Meistershaft GTC exhaust 102mm GB tips>Built motor with Forged Cp Carillo Rods and Pistons > SSP spec X clutch > Stage 1 Pure Turbos>PG front mount intakes>PG charge coolers>Vorsteiner front and rear Carbon diffuser>Auto Tecknic Carbon shift paddles>3D Design aluminum pedals
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