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Old Mar 15, 2011 | 01:32 AM
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Default eBay smooth bellows

Does anyone know if the smooth bellows works with a 90mm throttle body? I currently have the stock coupler which works fine but its just a 40 dollar mod that is supposed to add a little so I figured I would get it.
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Old Mar 15, 2011 | 04:05 AM
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heard smooth bellow is a waste. Maybe more throttle response that u won't notice. Go fill up ur gas tank.
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Old Mar 15, 2011 | 05:31 AM
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Apearance mod, should work I believe. Also won't hurt any performance that's for sure.
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Old Mar 15, 2011 | 02:29 PM
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i got mine for 5 bucks at home depot had it for about 2 months with a lid with no probs running low 12's..
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Old Mar 15, 2011 | 08:25 PM
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and whats the part you got from HD? what do i look for? size?
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Old Mar 15, 2011 | 09:08 PM
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I bought one, couldnt tell a diff. between an SLP bellow, and yes it does fit over a 90-102mm TB.
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Old Mar 16, 2011 | 06:56 AM
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Sorry, you mention an 90mm I'm was talking about 78mm..
But, I still don't see a prob fitting over a 90mm..
It called fernco in the plumbing section..
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Old Mar 20, 2011 | 01:56 AM
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Originally Posted by 5.7mmImportkilla
Sorry, you mention an 90mm I'm was talking about 78mm..
But, I still don't see a prob fitting over a 90mm..
It called fernco in the plumbing section..
that is correct 6.XX
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Old Mar 20, 2011 | 11:42 AM
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Yeah OP search fernco on here and you will find how to do your own cheap! Some people say it fits bad however or looks a little cheap.. you decide. Cant get too much worse looking than an accordian though
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Old Apr 20, 2011 | 08:12 PM
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I got one off ebay for $30...I have a MTI lid and the damn lid doesn't fit with it on!

The stock bellow fit fine...what to do??
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Old Apr 21, 2011 | 10:23 AM
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stock bellow with MTI lid and K&N(new poly mounts)


ebay smooth bellow(same as SLP)

lid doesnt cover filter with it on...and I don't think trimming will solve it.
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Old Apr 21, 2011 | 11:15 AM
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Originally Posted by Black98T/A
stock bellow with MTI lid and K&N(new poly mounts)


ebay smooth bellow(same as SLP)

lid doesnt cover filter with it on...and I don't think trimming will solve it.
that piece of coupler you have on your lid is not needed thats why it doesnt fit. on air lids they go over the maf sensor dircetly
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Old Apr 21, 2011 | 11:40 AM
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I thought of that but the lid doesn't fit the maf without that coupler..maybe if I trim the coupler the bellow will fit?
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Old Apr 21, 2011 | 01:00 PM
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I trimmed about as much as I could from the coupler...and it fits better but it still isn't sealed...I guess I'll have to trim my brand new bellow if I want to try and make it work
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Old Apr 21, 2011 | 01:28 PM
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Originally Posted by ramairracer
that piece of coupler you have on your lid is not needed thats why it doesnt fit. on air lids they go over the maf sensor dircetly
SLP lids work like that. I have a whisper lid that uses the coupler. The whisper and mti lid look like the same style.

So his lid needs it I think, BUT ... the maf should slide all the way through the coupler until it touches the lid. Still you dont free up as much room as sliding the maf into the lid like an SLP
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Old Apr 21, 2011 | 08:43 PM
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Going to try trimming the bellow tomorrow.
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Old Apr 23, 2011 | 01:05 PM
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I had to trim both the bellow and the coupler for it to work.
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Old Apr 26, 2011 | 11:46 PM
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I just ordered one of those for my car. I hope it fits. My maf goes into my MTI clear lid. I guess I'll find out tomorrow.
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Old Apr 27, 2011 | 03:32 PM
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Mine arrived today and it is to big on the MAF side, but can be clamped down. Hopefully it will seal. It is also to long. I guess I'll be doing some trimming to. I contacted the seller. Hopefully they will contact me in a timely manner before I start cutting it up.

Last edited by VegasWS6; Apr 27, 2011 at 05:00 PM.
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