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Discussion Starter #1
Hey guys,

I ran a 6637 on my PSD for years and to 465HP, and have run it on my Cummins now to 420HP..

I am building a twin turbo setup right now and am looking at the fabrication required for the intake... I am thinking I will be at about 550HP and having twins pull through it... Looks like my turbos will be a 60/60/9 over 72/86/1.25...

Should I give up on the 6637 now? it has been a great filter, but am I asking too much of it??

Thanks
Bob
 

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mabye a dual 6637 with a y pipe coming from the intake? may have to relocate them tho. have considered this myself. there is also another thread on here about how much it can flow. not sure where.
 

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Discussion Starter #3
Meh, at that point I will go with an AFE..
 

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Oooo, White Lightning !
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I believe your atmo will have a 5" comp inlet. Just run an AFE with a 5" inlet.
 

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Exploding the magma
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581 Posts
Hey guys,

I ran a 6637 on my PSD for years and to 465HP, and have run it on my Cummins now to 420HP..

I am building a twin turbo setup right now and am looking at the fabrication required for the intake... I am thinking I will be at about 550HP and having twins pull through it... Looks like my turbos will be a 60/60/9 over 72/86/1.25...

Should I give up on the 6637 now? it has been a great filter, but am I asking too much of it??

Thanks
Bob
A 75 mm S400 will flow 1500 cfm...I can't imagine a 72mm is that much less...I think that might be too much for a 6637.
 
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