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Hey, I got a 23’ gt. It’s only got headers, e-85 and tune but I’m gettin a lot of backfire at low rpm after de acceleration. I went side exit and I’m wondering if rob’s tune could play into that at all ? It’s been tuned by the previous owner and all I get thru scanning is p0172 also it is...

Hi I have a 2023 mustang e85/LTH rob shoemaker tune with side exit exhaust car with p0172 code I don’t have a video of the popping but pops when coming to a stop or letting off the gas and letting it ideal down for a couple seconds! As for the flutter sound it’s hard to explain so here’s the...