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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 05-06-2010, 12:19 AM   #1
MillerTime
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Cat back Vs Axel back

Couldn't fine a thread SPECIFIC for this so i'll ask...anyone know the HP/TQ gain differences between axel back and cat back? I know it's a matter of back pressure, and as i'm only going with a CAI, LT headers and an exhaust, i'm thinking maybe having a little bit of back pressure from a stock system would be a good thing? Thx, Tim
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Old 05-06-2010, 01:28 AM   #2
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5WHP due to the x-pipe only. Stock exhaust is not restrictive from the cat back.
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Old 05-06-2010, 02:05 AM   #3
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Quote:
Originally Posted by wbt View Post
5WHP due to the x-pipe only. Stock exhaust is not restrictive from the cat back.
+1, and show me where a little back pressure is good for ANYTHING, besides making a really long burp.
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Old 05-06-2010, 02:12 AM   #4
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Ok thanks guys. That's what i was thinking, but wanted to get other opinions. Much appreciated!
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