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-   -   true dual Stock ISF Exhaust (http://www.clublexus.com/forums/is-f/747127-true-dual-stock-isf-exhaust.html)

collinedw 06-24-14 10:34 AM

true dual Stock ISF Exhaust
 
Hey guys,

Has anyone done a true dual mod to the stock ISF exhaust?
eliminating the y pipes after the 2nd cats and before the rear mufflers (also removing resonator) and done separate pipes??
Im wanting to do it but want to know if its worth it. I can imagine it would help the flow.
ANY SOUND DIFFERENCES?

Thanks

lowrideraz 06-24-14 10:44 AM

Although I am now running the new Dual Mode PPE Exhaust system, my prior exhaust was a fabricated dual system using stock mufflers with dual intakes on the mufflers:

http://www.clublexus.com/forums/is-f...n-exhaust.html

Lou

collinedw 06-24-14 10:01 PM

Any sound differences? I'm
Not going to do the dual muffler inlets. Just the separate pipes. What would the difference be without the x pipe and just leaving the pipes separate all the way to the end?

08stockisf 06-25-14 03:44 AM

You may experience vibration without an X pipe, kinda like a whump-whump sound. You may have to visit the exh. shop a few times to get the desired effect.

lowrideraz 06-25-14 10:42 AM

Quote:

Originally Posted by collinedw (Post 8597951)
Any sound differences? I'm
Not going to do the dual muffler inlets. Just the separate pipes. What would the difference be without the x pipe and just leaving the pipes separate all the way to the end?

You may want to read this:

http://www.carid.com/articles/are-2-...st-system.html

Lou

powermungr 06-26-14 02:48 PM

I have heard nothing but good things about Joe Z exhaust and by good things I mean the exhaust note and . I have to fight myself every single engine start not to go by one. I need the F as quiet as possible when I am moving executive staff members and then straight beast mode when I drop them off at the airport.

lowrideraz 06-26-14 04:00 PM

^^^^Then this would bee up your alley:

http://www.clublexus.com/forums/is-f...e-muffler.html

Lou


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