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  1. 2016+ Titan General Forum
    So I have have a 2019 Titan p4x I understand it has 4 catalytic converters but does it truly need 4 could I still run it more efficiently with deleting 2 of the 4 converters. I have a borla type s dual inlet dual outlet muffler and it exits out the back of the truck. My problem is I hate the way...
  2. Titan Performance Modifications
    Ok gents help me out. i found this clip on youtube of a T with an h pip secondary cats elim and true dual fm super 40s. i loved it. so i tried it. i went with an x pipe instead of an h pipe and i gutted the cats but didnt eliminate them. my T is not near as loud. What gives?? could the diameter...
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