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Just asked this same question on another similar thread since I have stage 1 Dinan tune and am about to get the Akra Evo system: Does Dinan address the torque dip? As far as I can see, removing the cats or significantly reducing back-pressure will create a condition that the ECU cannot resolve, even with many of the tunes available. Some claim to be able to reduce the dip but none eliminate it. I need to know if Dinan stage 2 makes an attempt at it before I pay the $200 to upgrade.
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 2009 Silverstone II E92 M3 Coupe - DCT
Dinan Exhaust, RPi scoops, Dinan Tune, Dinan Pulley, BMC filter, LCI Taillights, MS 15mm spacers, Huper Optik tint. |