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here goes.....
Posted by Robert Spahr (more from Robert Spahr) on Wed, 21 May 2003 11:54:36
In Reply to: (long) sport cat question, SD Saab, Wed, 21 May 2003 09:32:45
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Alright, the JT62-H is 3 inches in diameter from the cat back to the muffler, (not sure if it includes a tip) while the JT62-KS is all that and it continues up to the turbo outlet 3 inch all the way through with a sport cat. Both will produce more horsepower, but the latter will also produce significantly reduced spool up time for the turbo to get it on boost quicker. I've heard that it adds about fifteen or so horsepower, possibly a few more with the mods you've already done. The first option should give about 7 to 10 horses. If you wanted the second option for less cash, you could buy the model that is turbo back, but with a staight pipe instead of the cat and only one oxygen sensor mount, then purchase a 3 inch sport cat from ebay or elsewhere for 50 to 75 bucks and have it and a second O2 bung welded on by an exhaust shop. That should save you about 100 bucks or so with the same results. The engstrom piece is only the turbo through the cat. I'm planning on doing the third option I mentioned myself when I save up the cash. To really help, a viggen style crossflow intercooler would get you on boost even sooner, and both will help prepare the car for an eventual ecu upgrade in the future if that's the direction you're headed. Good luck with your decission and keep us posted!
posted by 24.185.1...
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