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Old 08-15-2006, 07:51 PM   #1
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Default 3inch down pipe with converter or not

2001 SSEI, Mods Thrasher CAI, 3.4 pulley, 180 thermostat, NGK TR55,and MSD coils. I bought the downpipe & converter from hogan performance. I don't want to put it on if I lose bottom end. Also does anyone sell ported exhaust manifolds for my car. Thank you
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Old 08-15-2006, 09:34 PM   #2
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im confused to what you are asking?

you bought what already? the DP or the cat?

i would have recommended gtpowderworks.com to you 6 months ago, but not anymore, very iffy service if any
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Old 08-16-2006, 10:59 AM   #3
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Hey Jim.

There are some here that have put on the 3" downpipe, but as far as I am aware it is not necessary since the stock downpipe handles plenty of flow. I would say that others could offer better input on this or do some extensive searching, since I believe there are some discussion on this subject already. The hi-flow cat is a recommended mod though and I have not heard of anyone losing bottom end with that.

I am not aware of any company that has off-the-shelf PEMs for our cars. Most here have either had them done locally, done them personally, or used a company like gtpowderworks. Andrew just had a tough time with them, but it is my understanding that their product has usually been pretty good and reasonable. You must not want them in a hurry though, as it usually takes months for them to finish a set for you and you have to provide the cores up front in most cases.

I suspect that there are other options but cannot think of any others at this time.
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