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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 04-29-2007, 07:13 PM   #11
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Quote:
Originally Posted by willwren
You may be able to dump the cat living in PR, but I wouldn't. I ran for a short time on my 95 SLE (supercharged) without one (due to it clogging and rattling, and the budget situation at the time). I lost a good amount of low-end torque. And gained very little top end.

99% of the cars on this Forum can't outflow a hi-flow cat. Which is why I put a new one on my SSEi last week. And my car flows an incredible amount of exhaust with a 2.0" pulley on it.
The law here is the same as in the states. & the reason I asked is because I have the same problem with mine, its clogged & rattling. I dont want to spend the money right now since this is a project car that sits in the garage most of the time... guess that a straight pipe is better than a clogged cat, for now.
& thanks for the info.
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Old 04-29-2007, 08:12 PM   #12
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A straight pipe is NOT the best thing for your car in either circumstance.
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Old 05-01-2007, 07:32 AM   #13
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yesterday,my high flow cat ,installed...torque.......a comeback..wow!

thank you sorry for my bad english...
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Old 05-01-2007, 09:16 AM   #14
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And now we have yet another believer. Running catless costs you low-end torque.
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Old 05-01-2007, 09:21 AM   #15
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It'* all about back pressure.

Too large of an exhaust
Too free flowing..

One must flow enough to use such mods.
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