ZUKIWORLD Online | Suzuki 4x4 Editorial and Forum
ZUKIWORLD Discussion Forum => Suzuki 4x4 Forum => Topic started by: aviation officer on November 24, 2010, 07:53:00 AM
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i've got a 91 sidekick and i need to get a new muffler. i want a muffler that doesn't restrict so much air flow. any suggestions.
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im also putting a header on it and installing 2 1/4 inch exhaust pipe.
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2" is the recommended size, and the same for the muff, just pick
one that you like the sound of and go with that
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i was looking at a cherrybomb turbo muffler. i like the sound and it has good reviews.
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Turbo mufflers are really designed for a turbo vehicle, that's why
they are very free flowing and don't do much to change the sound.
A turbocharger tends to quiet the exhaust tone a fair bit, and also
supplies the back pressure the engine needs to run right, that's why
a turbo exhaust system is usually larger than what would be needed
for a non turbo engine.
All this being said,I had a turbo muff before the turbo was installed
and it was too loud on the freeway, and caused that droning that
hurts the ears at certain RPMs, in fact my turbo engine sound with
a cat and no muff was quieter that no turbo and a turbo muff
Choose wisely, I now use a quiet muff and find it has plenty of sound
Wild
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I ran a turbo muffler ( el cheapo vareity ) with 2 " exhaust before I built my turbo system, it sounded good, not too loud. Tried a Flowmaster Race can once, WAAAAAY to loud and quite an annoying tone.
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I use a Thrush glass pack and love the sound. Many people will tell you that it is annoying, but I love the sound and it is on my daily driver.
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I use a Thrush glass pack and love the sound. Many people will tell you that it is annoying, but I love the sound and it is on my daily driver.
I am one of those people. I guess the sound is just not for everyone, I found it to be to loud and "tingy". There was also lots of drone from 3000-4500 RPM (Highway Cruising). I replaced it with a 2" resonated system and a 12" Magnaflow muffler and couldn't be happier.
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hey i am going to get in on this conversation.. Spin tech is what i run, with a magnaflow high flow cat, and Doug thorley header. It is really deep and throaty, and has a nice echo because of the long tube header.
Another question does any body run dumps on the sidekick. Where your exhaust dumps underneath the kicker, instead of coming out the back??? My sas swap made me cut my rear piping right before the rear axle. I am worried about the fumes getting back inside the kicker
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Exhaust gets in if you run the pipe all the way back, not
nearly as much, but I ran a stubby pipe for years, there is
enough air flow that I don't think there is much of a problem
Wild
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dang wild your like on every post, lol. Ya mine dumps a couple inches before the axle. I was thinking of ways to run additional pipe and the only two ways i see are through my body lift, or out the side by the rear passenger door, but i will most likley crush that with a rock.
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Another question does any body run dumps on the sidekick. Where your exhaust dumps underneath the kicker, instead of coming out the back???
I live in Texas and you will not pass inspection if the exhaust does not exit outside of the passenger area.
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dang wild your like on every post, lol. Ya mine dumps a couple inches before the axle. I was thinking of ways to run additional pipe and the only two ways i see are through my body lift, or out the side by the rear passenger door, but i will most likley crush that with a rock.
With my 2 " body lift I was able to run my 2.5" exhaust over the top of the frame in the rear and out the back, almost 7 inches higher than stock.
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ya, i would only do a 2" pipe out, but I was thinking it would look pretty nice if I run it through the frame, and then have it come out the bumper. Its just a bummer though, having the exhaust dump right at the spin tech makes it so much deeper and throaty. ;D
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A high flow cat and a FlowMaster Super 40 will give you a very deep note with out the deafening drone! 8)
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...the back pressure the engine needs to run right...
No. No. En Oh. NO.
Even somewhat-modern fuel-injection systems in good condition can adjust the mixture enough to accomodate low-to-zero exhaust backpressure, and the benefit it brings.
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A high flow cat and a FlowMaster Super 40 will give you a very deep note with out the deafening drone! 8)
Is that a steel can on that one?
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The thing a fuel injection system can't compensate for is the cam timing
and the way a cylinder charges, without a certain amount of back pressure
some of the intake charge blows out of the exhaust valve and down the pipe,
not doing anything but burning out your cat.
And if you think that the ECM will change the injection timing to prevent fuel
from going down the pipe, you need to brush up on injection timing and tech,
because even a sequential EFI injection system is not sequential at speed, the
injection cycle needs to start well in advance of the valve opening, and even
continue after the valve closing to actually inject enough fuel to get the mixture
right
Wild
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I picked up a nice turbine 2525 muffler on ebay for $30 and slapped that on with 2" exhaust from just behind the cat on back and it sounds great minus a few cackles from the carb running bad very nice tone though.