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  1. earlycobra

    Motive Concepts 200 Cell Cats on stock/Track Key tune?

    Looking at putting 200 cell race cats on my '13 Boss. The car is all stock other than the Trackey tune, but I want to make sure the race cats won't upset the computer on the car. http://www.maperformance.com/motiv-concepts-high-flow-catalytic-converters-mustang-gt-2011-2013.html Anyone have...
  2. earlycobra

    Race Cat bolt-in headpipes?

    Does anyone make a direct fit/replacement set of headpipes with race cats for the Boss? And for those in the know, would changing over to race cats hurt the car if I leave the stock tune? Thanks in advance! Cheers,

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