2011 f150 3.5 ecoboost
11-19-2016, 10:28 AM
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2011 f150 3.5 ecoboost
I have a 3.5 ecoboost that I am wanting to put a straight pipe on from cats back I was just wondering if I am gonna have any problems with this , my warranty is void already so no worries there. My main concern was check engine light and such , I will be taking the resonator off and replacing it with a straight as well thanks
11-23-2016, 05:53 PM
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I have a 3 inch straight pipe from cats back and there's no issue, if you're talking about dropping you're y pipe as well as long as the new cats have O2 sensor holes you're good or you can buy a plug for them so that they dont read any codes. This all being said you will not pass inspection at least not in the state of Texas. The straight pipe isn't ticket able in Texas because of the cats on the y pipes but once those are gone i don't know what to tell you.
11-24-2016, 12:03 PM
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ty sir no I am leaving my cat's on , how does the straight pipe sound , I am gonna put a down pipe on mine
Last edited by 1954ford; 11-24-2016 at 12:04 PM. Reason: Wrong spelling