Originally Posted by "fredtoast:
...a catback won't make that much of a difference.
Hmmm.
This dyno is of an ITR with just a JDM OEM header, Carsound Cat and SMSP 2.5" cat back exhaust. This ITR previously dyno'd 158 HP on a Dynojet, before the additions.
I think you
can get quite a bit more additional power out of bolt ons if you are careful.
The exhaust was an SMSP 2.5" cat back. You can reach Dave Stadulis of SMSP at 540-287-6384.
Another good source of 2.5" mandrel tubing is the owner of a Web site called
http://www.accordinglydone.com. Although the owner specialises in Accords, he has recently found a market in selling do-it-yourself exhaust kits to ITR owners, and he has a good reputation. You can reach him at
Mkteller8@Aol.com.
Good luck w/whatever you decide to do.