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Tigumz · 03-30-2012, 06:07 AM

Are you running stock tune now?
If so, I would think you would have a check engine light on,as per Akra information when installing their downpipes....

As for tune making a difference, I would guess yeah

: depends on how you define "big". ....

03-30-2012, 06:07 AM	#2
Tigumz Private First Class 22 Rep 183 Posts Drives: 1M-VO; Z8(03)-Blk Join Date: Sep 2011 Location: Midwest iTrader: (0) Garage List 2003 BMW Z8 [0.00] 2011 Bmw 1M [0.00]	Are you running stock tune now? If so, I would think you would have a check engine light on,as per Akra information when installing their downpipes.... As for tune making a difference, I would guess yeah : depends on how you define "big". ....
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