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Has anyone had this issue? Car runs just fine and there is no issue present during normal driving but when it’s been above 4K rpm for more than about 3 seconds a misfire occurs and the car runs like ass for 10-15 seconds then is fine. I don’t rev bomb my car so I don’t know if it happens in...

Does anybody know if the 2020 GT500 exhaust would fit a 2018+ GT? Are the hangers in the same place? I would think since they are the same chassis for the most part would it bolt up like the gt500 axle back did for the 11-14 mustangs from the 11-14 GT500’s, I already have an X pipe so it’d be...

Anyone know where the EVAP purge valve is for the 18 and ups? I went on YouTube and all I could find was gen 2’s and 1’s getting replacements and on those cars it’s right by the throttle body but I can’t seem to find it on my 3rd Gen :/

So, I have a couple questions that I’m sure many folks would have the answers too since there are som wicked smart people on this forum and I am not one of them. First one being, do you need a tune revision after a header install? I would think not but I am just curious. Second what kind of...

I know this might sound stupid but what are our cats worth if we were to sell them? I have catless headers now so my catted OEM ones are just sitting being of no use and if I can make money off them then why not lol. Anyone have an idea of what they would go for? They only had 24k miles on them...

Hello my fellow mustang owners! Got a little topic of conversation for you guys tonight, so I recently got my mustang dyno’d in Minneapolis MN (I live close) and it was just a baseline run to see what she would make. My car is Lund tuned and has Texas speed 1 7/8’s “allegedly” catless headers...

Has anyone else had a problem where the 3rd to 1st shift is very hard compared to your normal downshift? My car is a 10R80. It’s only coming to a stop and I play with the brake so I’m not hard on it because I know when to expect it to make it less stressful on the car or at least it seems that...