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post #1 of (permalink) Old 05-08-2003, 02:00 AM Thread Starter
 
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1.3L exhaust size

what is the biggest exhaust I should use on my stock 1.3L

I like RPMs [img]images/graemlins/grin.gif[/img]

I was thinking 2"
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post #2 of (permalink) Old 05-08-2003, 05:59 AM
 
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Re: 1.3L exhaust size

2" and a good header is just about what everyones running. I don't ever recall ever seeing anything bigger.
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post #3 of (permalink) Old 05-08-2003, 06:49 AM
 
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Re: 1.3L exhaust size

Most people do run 2" but that's usually on a built motor, I wouldn't a stock 1.3. Some people say a header is a waste since it seems like suzuki got the most power they could from the stock manifold. If you want to keep your low end go with 1 3/4". I know know dynomax makes a muffler with 1 3/4" inlet and outlets. I had a dynomax on my 94' camaro with a v-6 and it and it sounded pretty good.

Matt
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post #4 of (permalink) Old 05-08-2003, 09:44 AM
 
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Re: 1.3L exhaust size

I would recommend 2" with high flow cat and muffler on the stock manifold. There has been quite a bit of discussion on this in the past. Do a search for additional information. Also check out www.trailtough.com exhaust system. It is reported to provide slightly more power on the stock manifold than with a DT or Calmini header.
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post #5 of (permalink) Old 05-09-2003, 02:09 AM Thread Starter
 
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Re: 1.3L exhaust size

No cat for me [img]images/graemlins/laugh.gif[/img]

No header YET. I will do that if I can find one at a good price.

My sami is wierd. It actually has some power. Alot more powerful than any other sami I have been in. I am running stock everything and 30s.

The exhaust is free or close to it. All custom. I do have to buy a muffler though. Just gonna get a $20 Turbo muffler.
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post #6 of (permalink) Old 05-09-2003, 08:07 PM
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Re: 1.3L exhaust size

I 2nd Excell. 2.0 is too big for stock 1.3.

T.
post #7 of (permalink) Old 05-09-2003, 09:42 PM
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Re: 1.3L exhaust size

If you run a modified intake , head , and block , 2" works really well with a good performance muffler . Do not use a high free flow unit , as it won't provide enough back pressure . BTW, to those that think 2" exhaust is too big , I guess I better yank that 38mm twinthroat Weber off my little 4cylinder since it has to be too large as well . These engines aren't like some of the US iron , they do breathe very well stock , let alone modified . Stand behind mine once....
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post #8 of (permalink) Old 05-09-2003, 10:09 PM
 
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Re: 1.3L exhaust size

The first thing I do with any vehicle is figure out how to let it breath better. The manufacturers are as concerned with intake noise management as with power/mileage. (Gained 2mpg on the 5.3L Chevy with a K&N cone.) The stock intake on the zuk looked like a dang maze. If the dyno charts the accessory guys show are close there's more to be gained on the intake side a lot of the time. [img]images/graemlins/40BEER.gif[/img]
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post #9 of (permalink) Old 05-10-2003, 12:10 AM
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Re: 1.3L exhaust size

Stock exh manifold, 2" pipe, no cat and a cherry bomb it worked great for me [img]images/graemlins/givemebeer.gif[/img]
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post #10 of (permalink) Old 05-10-2003, 12:26 PM
 
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Re: 1.3L exhaust size

I am running a Doug Thorley Header and stock exhaust. You will notice a dif with a header and I would recommend spending a little more for that brand. I seem to have heard of a few problems with the Headman brand. I think the flange in thinner and it seems to loosen up.
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