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Old 04-12-2005, 05:24 PM   #1
ratt_finkel
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Default The REAL Exhaust thread.

So I'd like to compile a list of Cat-back exhausts for the 98-01 RS.

Based on weight alone.

I have nothing to contribute. But this will be a concern for me in my autocross class, as that is one of the main areas I can lose alot of weight.

So what exhaust do you have, and what does it weigh?

If anyone has a stock exhaust to weigh as well that would be great.

Thanks
Jeremy
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Old 04-12-2005, 05:33 PM   #2
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Just put a turn down on after the last cat. lightest and cheapest option for Stock class.

Will be loud though. At least your cats will help quiet it down a little.
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Old 04-12-2005, 05:42 PM   #3
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Quote:
Originally Posted by omahasubaru
Just put a turn down on after the last cat. lightest and cheapest option for Stock class.

Will be loud though. At least your cats will help quiet it down a little.
I had considered that option. But I'm not sure that will be an option for everyone. Plus this is my daily driver and there is no way in hell that I am crawling under the car for every event.
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Old 04-12-2005, 05:59 PM   #4
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titanium would be the lightest(other than aluminum straightpipes with no mufflers/resonators) but i don't know of any titanium exhausts that come in small diameters.

i highly doubt people go out and weigh their exhausts before installing them... but obviously the less muffler mass the better, so i'd push you toward a well designed N1 canister.
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Old 04-12-2005, 07:35 PM   #5
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Quote:
Originally Posted by Handsdown
titanium would be the lightest(other than aluminum straightpipes with no mufflers/resonators) but i don't know of any titanium exhausts that come in small diameters.

i highly doubt people go out and weigh their exhausts before installing them... but obviously the less muffler mass the better, so i'd push you toward a well designed N1 canister.
Why not? I weigh everything. And the cat-back should come in two pieces. Shouldn't be that hard to manuever on the bathroom scale.
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Old 04-12-2005, 07:46 PM   #6
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Jic makes a titanium N1 cat back for the 98-01 Rs and Apexi has a titanium model of their N1.
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Old 04-12-2005, 07:47 PM   #7
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maybe you do, that doesn't mean everyone else does. i have been looking at exhaust information and i have not once found information about weight, even from manufacturers.

i don't mean to discourage anyone else from posting(think of it more as a bump to keep people's awareness of the question up) but i don't think i've ever seen anything about exact weights. most N-1 canisters advertise that they are far lighter than stock, but other than that i haven't seen ANYTHING on this.

maybe get a removable muffler on a straight pipe?
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Old 04-12-2005, 07:49 PM   #8
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Quote:
Originally Posted by Caplin 2.5
Jic makes a titanium N1 cat back for the 98-01 Rs and Apexi has a titanium model of their N1.
what diameters are they?
all the ti JIC exhausts i've seen have been in 80mm diameter, which isn't optimal for stock class, you'll lose your low end which is important on auto-x courses.

also, the money you spend on Ti would be much better put to use elsewhere for auto-xing. unless money isn't a concern, in which case just get a Ti exhaust because there's no other comparable exhaust that will be as light as titanium.
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Old 04-12-2005, 08:33 PM   #9
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Yea it is 80mm piping.... I guess Stromung intermediate pipe and axel back?
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Old 04-13-2005, 08:33 PM   #10
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I've got the Stromung Cat-back right now. And I doubt it's much lighter than stock. But it's starting to rust, and I'm "weighing" my options for a new exhaust.
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Old 04-13-2005, 08:39 PM   #11
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well, if it is rusting, just keep it on there. As it rusts it will get lighter and ligter

Jared
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