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Exhaust 5.7 HEMI Exhaust Discussion


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  #1  
Old 11-18-2013, 12:22 PM
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Default Need Exhaust Advice with headers and CatBack

Hey guys thanks for looking... So I have a 2004 1500 with 5.7 hemi and as of right now I have a CAI and a hemifever 91 custom tune. I have pacesetter longtube headers followed by Magnaflow cats, a pacesetter y pipe, and si/so MBRP 20" round muffler on my y-back. Headers are 3 inch out, cats 3 in/out and all piping till tip is 3 inch pipe.

My questions are:
I know exhaust doesn't make the world of difference but could all 3 inch be hurting my performance?

Should I go si/do muffler?

Any advice on switching piping size?

I'd like to keep plenty of low end torque but is there a point in my largish exhaust that's a weak point?

All replies are greatly appreciated!
Thanks!
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Last edited by Tyler04Hemi; 11-18-2013 at 12:24 PM.
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  #2  
Old 11-18-2013, 02:24 PM
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HOTRODHARLEY HOTRODHARLEY is offline
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A single 3" system is a touch on the small side. 3.5" would be a better choice for a single system. But it's a truck. If you're happy with the sound and all that I'd say leave it
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Old 11-18-2013, 02:51 PM
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Not super happy actually lol it don't sound amazing and the lower end torque went kinda down... 8.8 second 0-60 with all that done not sure if that's good for a 3rd gen qcsb or not
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