I IPF tuned my '12 M6 before I ditched all the bolt-ons for an IPF S/C. It made a difference but I didn't measure it with anything but the ol' seat o' pants dyno.
I had zero issues with the tune.
John B.
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12 LS M6, IPF S/C, ASA GT-5 wheels, VMax PTB
1995 Mitsubishi Montero SR
1987 Dodge Raider Turbo Project
1986 Mitsubishi Montero 2.4l FI Transplant
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