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new exhaust, enough back pressure?

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Old 04-02-02, 11:25 PM
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new exhaust, enough back pressure?

hey guys i am going to be installing some new free flowing mufflers similar to N1s. with just the stock cat. converter and these new mufflers will i be getting enough back pressure to open the 5th and 6th ports? thanks guys
Old 04-03-02, 03:51 PM
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do you already have a downpipe to replace the pre-cat?

2.5" exhaust pipes will provide enough backpressure - even with full straighpipes (ie no cats)..
Old 04-03-02, 03:58 PM
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I was wondering this with the new corksport exaust and a bonez RP?
Old 04-03-02, 09:57 PM
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with just a new cat back system yes you will have enough pressure, and wuth the cork sport and bonez DP as long as you hook up the little hose to the DP you will too. I am running the APEXi N1 and a bonez DP on mine and i have no problem at all
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