cobb accessport

new poster, I have a 07 MS3 mods are Forged BPV, Cobb SF intake, Cobb catback and CP-E catless downpipe Been having a problem with KR in 5th gear when accelerating and hitting boost I have been hearing an audible knock with the KR values hitting anywhere from .30-4.50, no matter the value i...

Hello! I recently purchased a 2013 MS3 with 76k miles on the clock. The previous owner claimed to have done a full Cobb stage 1+ on the car, but upon further inspection, I noticed the turbo inlet pipe was stock and the airbox shroud was not installed. It does have the rear motor mount, the cone...

Hi all! Today I threw a stage 1 cobb ots map on my 2009 Speed3. I first noticed that it felt way faster when pulling (Yay!), but soon after I saw that I was only making low 13's psi boost. I also saw that my AFR was different on WOT, staying around 11.76. There was a bit of Knock retard in one...

Hi guys, So I bought a Mazda 3 MPS that already had mods, I bought a AP3 because I thought the car was tuned with Cobb AP3 only to recently find out it was tuned with Versatuner. I'd like to know how do I uninstall the Versatuner so that I can Install the AP3. I do not have the login...

Today I installed a cobb accessport and a stage 1 ots tune from cobb with my mods being a cobb cat back exhaust and cobb intake. On the first drive car immediately started making a maximum of 3 psi but still read negative pressure down to -10 or -11 psi. No visible smoke from the turbo or...

Thinking of buying a car from a guy that's got a Cobb Accessport. Due to his tuning the CEL is on because the car's running too rich, though he's upgraded the intake and exhaust to accomodate the higher air flow. He's cleared the codes but they return after a couple days. Asking how/if this can...