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Old 04-12-2007, 03:42 AM
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The correct size would be a 3x4. I have a 3x3 sitting here and mo way I'll use it. I'd like a hump hose but I'm not paying what they want for them now. I'll go back to the original factory bellows if I have to. I like the SLP bellow but and not paying $60 for it.
There are other options out there. From the turbo crowd there are plenty of silicone couplers with humps as well. Its just finding a 3"x4" that comes in black and is not too stiff. There is a compnay in China I'm trying to hook up with to produce an inexpensive alternative to the SLP smooth bellow.
Old 04-12-2007, 08:54 AM
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No, the 3/4 won't work. It really needs a 3x3.5. The 4" end on the TB is huge and sloppy. I got mine on, just took some coercing.
Old 04-12-2007, 09:04 AM
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Did mine yesterday. Was easy after you boil it. Haven't noticed anything yet, performance or damage!
Old 04-12-2007, 07:17 PM
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Originally Posted by 99blancoSS
The correct size would be a 3x4. I have a 3x3 sitting here and mo way I'll use it. I'd like a hump hose but I'm not paying what they want for them now. I'll go back to the original factory bellows if I have to. I like the SLP bellow but and not paying $60 for it.
There are other options out there. From the turbo crowd there are plenty of silicone couplers with humps as well. Its just finding a 3"x4" that comes in black and is not too stiff. There is a compnay in China I'm trying to hook up with to produce an inexpensive alternative to the SLP smooth bellow.
I used a Y fitting and cut the leg of the Y off. It has a slight bend so it fits better and was the perfect size. The guy at lowes thought I was nuts when I asked to take 4 or 5 different ones out to my car to see which one would fit best.
Old 04-13-2007, 03:55 PM
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^ ha ha
Old 04-13-2007, 04:15 PM
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the 3/4 is the one i have you just gotta do some trimming on the 4in part and clamp it down tight and it fits perfect
Old 04-13-2007, 05:58 PM
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Originally Posted by Redlinez
No, the 3/4 won't work. It really needs a 3x3.5. The 4" end on the TB is huge and sloppy. I got mine on, just took some coercing.
stock size bellow is 3.5x4
Old 04-18-2007, 06:32 AM
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I used 3 x 3 boiled for 30 minutes, fit supernice.
Old 05-15-2007, 09:15 AM
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Originally Posted by gillbot
I used a Y fitting and cut the leg of the Y off. It has a slight bend so it fits better and was the perfect size. The guy at lowes thought I was nuts when I asked to take 4 or 5 different ones out to my car to see which one would fit best.
So what did you do to seal the opening?
Old 05-16-2007, 03:47 PM
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Originally Posted by LS1rulz
So what did you do to seal the opening?
There is no opening to seal, I cut off the short leg of the Y and used that.
Old 05-17-2007, 11:58 AM
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no bellow is going to give any HP increase. I installed the SLP on on my car and couldn't notice a thing. The SLP has a better fit and won't break the lid like the Fernco because its made to flex. Not worth it in my opinion.
Old 05-17-2007, 01:44 PM
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I tried 2 different times with the Fernco and my knife and custom fitting and tried over an hour out the sun. I twas not possible to get it to fit, even got a frined to try, its a pain. I'm getting a used slp one. Not worth your time and gas and 5 dollars it costs.
Old 05-17-2007, 05:25 PM
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What are you guys doing to make this so hard. I cut mine to fit with a cut off wheel then put it in the microwave for about 2 minutes and it went right on no hassles.
Old 05-17-2007, 07:16 PM
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So it easily comes off and back on now when you have to remove your air filter, or clean it, etc?
Old 05-17-2007, 08:18 PM
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I once bought this mod and thru it away since it wouldn't fit and have heard of cracked lids from it.
Old 05-19-2007, 08:07 AM
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I've put one on MANY cars without a single issue and have yet to see a single cracked lid.
Old 07-19-2007, 03:11 AM
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sorry 2 ressurct an old thread i just bought my 3x3 fernco.......i will give it a few heat cycles
Old 07-19-2007, 03:20 AM
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ok, so whats the point off bringing up this thread? to say you bought one?
Old 07-19-2007, 11:27 AM
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Originally Posted by Havok2
ok, so whats the point off bringing up this thread? to say you bought one?
and to share my experience.........and 2 be one of the lucky ones that doesnt get a cracked lid
Old 07-19-2007, 12:02 PM
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i have a NW90 throttle body and an 85mm lid with an 85mm maf.
I'm still using the stock bellows because they still fit, but just a hair tighter.
If I went the silicone route just to make it look better under the hood, I'm wondering if I would just get a straight 4" hose about 6" long and just trim it from there. I need to measure that sh*t!



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