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High Flow Cats for G37S Coupe?

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Old 10-20-2013, 01:00 AM
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G37_Gio
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High Flow Cats for G37S Coupe?

Thinking about getting Stillen High Flow Cats. Can i get more insight on this like will it make the exhaust louder because thats what im aiming for but not so loud while maintaining that beautiful exhaust note that i get at around 3K RPM's. Can HFC do that for me or is their a better sugestion?
Old 10-20-2013, 11:00 AM
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budiu22
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Get the Fast Intentions Resonated High Flow Cats!!!!!!!

It will be EXACTLY what you are looking for.
Old 10-20-2013, 11:23 AM
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Glenn2008
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^I agree with Bud. Just installed them on my '08 S coupe.
Old 10-20-2013, 07:57 PM
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2013 g37s
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I have Invidia HFC's and exhaust and It N-Bull sounds great
Old 10-21-2013, 07:08 PM
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tyler20c
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Originally Posted by G37_Gio
Thinking about getting Stillen High Flow Cats. Can i get more insight on this like will it make the exhaust louder because thats what im aiming for but not so loud while maintaining that beautiful exhaust note that i get at around 3K RPM's. Can HFC do that for me or is their a better sugestion?
Don't get HFC with the stock exhaust. It will blow out your muffler. Did this twice...
Old 10-21-2013, 11:06 PM
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Glenn2008
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Originally Posted by tyler20c
Don't get HFC with the stock exhaust. It will blow out your muffler. Did this twice...

What HFC's did you install and were they R HFC's?
Old 10-22-2013, 03:43 PM
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tyler20c
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Originally Posted by Glenn2008
What HFC's did you install and were they R HFC's?
The CNT HFC's, non resonated. The FI ones might work because they are 300 cel not 200 cel and resonated, but I still doubt the muffler will hold up long. Trust me it sounds absolutely awful when the baffling in the muffler blows out.
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