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Milton · 04-16-2013, 11:39 PM

I'm with Mike on this one. You have altered the flow properties. An increase in exaust flow will require an increase in intake flow. Run it and read the plugs. I have a glass pack and headers on mine but it also has a pair of 94s at the other end.

04-16-2013, 11:39 PM	#8
Milton Senior Member Join Date: Oct 2010 Posts: 837	Re: not enough backpressure? I'm with Mike on this one. You have altered the flow properties. An increase in exaust flow will require an increase in intake flow. Run it and read the plugs. I have a glass pack and headers on mine but it also has a pair of 94s at the other end.