Joined
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10 Posts
Hello all, I have a 2017 GLA 45 with intake, DP, midpipe, catback exhaust, upgraded center and side radiators, and AMS intercooler. I'm running ECC stage 2 tune. My buddy who has a 2018 CLA 45 only has an intake and DP with the same ECC stage 2 tune. He's slightly faster than me on a roll. What's going on here? How is he faster on the same tune when I have way more bolt ons? Can someone explain?