Sound diff between testpipe and hfc cat along with smell?
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Join Date: Apr 2007
Location: Central Fl
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Sound diff between testpipe and hfc cat along with smell?
I use to own an evo with a big turbo and 750injectors along with a straightpipe exhaust and at times the smell would get to me..... my questions is how bad is the gas smell with test pipes on a g isnt even noticeable? I currently have the fast intentions exhaust and its just way to quiet for me on the stock cats... ive researched some and havent really been able to anwser my question
#2
From what I understand, unless u r boosted, the Tp's will oonly give you a few more ponies than good quality metallic core HFC's, but u will likely smell unburnt gas fumes that sneak into the cabin.
The Tp's will definetly create more of rasp than HFC's (most do not desire a raspy exhaust note).
So if u r NA, I recommend a quality set of HFC's. I like my power enterprise's (but expensive)--The F/I and Crawford's seem to be the most popular.
The Tp's will definetly create more of rasp than HFC's (most do not desire a raspy exhaust note).
So if u r NA, I recommend a quality set of HFC's. I like my power enterprise's (but expensive)--The F/I and Crawford's seem to be the most popular.
Last edited by jonnylaw; 08-29-2007 at 08:42 PM.
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