04-16-2011, 05:02 PM
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#3 (permalink)
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Enthusiast Member
Join Date: Feb 2011
Location: Phoenix,Az
Posts: 302
Drives: Touring 370z
Rep Power: 14
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if looking for HP TP always gives more but not a lot more
TP turns to have rasp unlike the HFCs it's a lot less
TP are cheaper but will not pass emission which is not a problem for you
you can check some videos to see the difference in sound, but at the end both will give you decent gains and it's up to you when it comes to the sound because some people tend to like loud raspy sounds
Quote:
Originally Posted by red6spd
Well your not really going to gain any hp from TP to HFC. Maybe 1-2HP. The TP will be alot louder, but since the Stillen CBE is not to loud to begin with TP on your exhaust wont be to loud. The biggest difference is price. HFC will be alot more money then TP.
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I don't think TPs or HFCs would've been common if it only gains 1-2 Hp
I will say at least 11 with the HFC and 15 for the TP
take a look in this thread some gained 19 whp from the HFC
High flow cats
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SOLD!! 09 370z Touring MT: GReddy Ti-C CBE - Berk HFC - Stillen 3G CAI
'11 Mustang GT/CS 5.0 MT
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