Slow downshifts/Grounding Kits
#16
took it to another shop. he said the tune was off. waiting to get it back on the dyno and another tune and he said this should help some of the shifting issues since the trims were so far off. be careful who you get your cars tuned by and demand a before and after dyno (even though i did via 1st shop it never happened). you never really know what they are doing and you're getting. in my case a stock car prob has more HP since my tune is so bad. I went to a shop that tunes GTR's and other expensive cars. either they didn't care or know what they were doing. If you're in the FL area i highly recommend Billet Design Motorsports in Pompano. Marco is the owner and took great care of me and I will be working with him to get mine corrected.
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