DIY intake pipe mod

Posts specific to the 2.5 litre NA engine

DIY intake pipe mod

Postby matty_et » Fri May 15, 2009 7:11 pm

Hey guys just thought i'd post this up. Its a pretty quick and easy job to do. I got the idea from the ZEROSPORTS intake pipe for the 2.5i & 2.0R Libertys but i didnt want to spend the almost $300 for something that would only gain minor improvements. I think its more cosmetic than anything. The intake noise is more noticeable and having used silicone hose instead of the metal pipe i think it will attract less heat from the intake manifold. Maybe little gains, but hey..every bit counts :lol: haha Here's a little walk through, though pretty straight foreward incase any one else want to embark down this track :)
All up takes about 30 min, and cost about $60

Ok so to get something similier i brought two 45 degree 3" silicone hoses, a length of 3" intercooler piping which i cut down to roughly 1 1/2" in length and a 3" hose clamp. You'll also need the 2 OEM clamps from the stock intake pipe.

Remove the stock intake pipe and place a hose on the filter box and posistion it at the correct anlge so it doesnt rub on the intake manifold, then place a hose on the upper intake box and position correctly. (I needed to trim the hoses down a bit on 3 ends with a razor knife to get all the angles and length correct so it all flowed smoothly, I also had to take a little notch out of the hose that mounts to the upper box so the hose fitted on just as the stock pipe did) Once this is done and it all flows nicely fit the hose back on the upper box with a OEM clamp placed around it. Then place the 1 1/2" metal pipe half way in the exposed end of the hose so half of it is still sticking out and tighten the OEM clamp around it to hold in place, but leave enough room for the larger clamp. Then fit the other hose onto the filter box with a OEM clamp around it and manouver the other end onto the metal pipe sticking out of the other hose. Then push the hoses againt one another and place the bigger clamp (not the OEM one) over where the 2 hoses join and tighten the clamp. Then loosen the OEM clamp next to the large one and posistion on the upper box and tighten and then tighten the one on the filter box end. Check for good fittment and that all the ends are sealed and that the larger clamp is actually covering the the join in the 2 hoses the whole way around. Also dont forget to have the pipe/ hoses clean as you dont want any dirt or particles getting sucked into the engine.

(my model doesnt have a air flow meter on the filter box pipe but im pretty sure its the same length, if not you just need to position/ trim the hoses down till it all flows nicely)

Cheers.


ZEROSPORTS intake pipe
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DIY Job
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Postby Jimmy S » Fri May 15, 2009 7:29 pm

GoT cAmBeR!!?? :lol:

Nice mod!
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Postby matty_et » Fri May 15, 2009 7:37 pm

thanks haha yeh i i was told by the people who fitted the coilovers that theres camber adjustment underneath aswell as the top camber plate. i was just guessing that there not as much on them and more on the plates themselves......does anyone know if this is true? the wheels themselves dont look to have much camber on them.

cant complain she handles great. :lol:
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Postby Jimmy S » Fri May 15, 2009 8:06 pm

hmmm... could have... how are your tyres wearing?

can always put a straight edge up against the base of the wheel(flat on the road) and see the angle of the wheel.
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Postby matty_et » Fri May 15, 2009 8:13 pm

Yeh i only went over them the other day the fronts are wearing pretty well, i think the rear has more camber to be honest, well looks that way anyway. Good idea! i got a big set square ill check it with that.

Cheers :)
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Postby sinist4 » Fri May 15, 2009 8:24 pm

nice one for the NA boys :lol:
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Postby Sentinel » Fri May 15, 2009 9:55 pm

Jimmy S wrote:GoT cAmBeR!!?? :lol:

Nice mod!


Haha - I noticed that!

And + 1 for the mod - looks the goods! :wink:
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Postby RedDragon » Wed May 27, 2009 7:39 pm

Sound or feel different?
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Postby adam » Thu May 28, 2009 12:05 am

always nice to have some pretty A/M stuff under the hood. looks good mate.
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Postby matty_et » Thu May 28, 2009 12:40 pm

RedDragon wrote:Sound or feel different?


the intake noise is abit louder, id imagine even more so if you had a pod filter fitted. i just got the hks pannel filter fitted. i cant feel noticable difference, nor did i expect to. i guess it flows a little better as the stock pipe has a resonator and ribbing on it but mainly i was just bored and it gave me something to do :lol:

thanks for the comments guys.
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Postby adz2.0r » Mon Jun 08, 2009 6:21 pm

Nice thread mate. looks great and its cheap.
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Re: DIY intake pipe mod

Postby adz2.0r » Mon Jun 29, 2009 8:35 pm

Call me stupid but what does OEM stand for?
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Re: DIY intake pipe mod

Postby wassell2381 » Mon Jun 29, 2009 9:02 pm

OEM = Original Equipment Manufacturer. Basically stock parts
Current:
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Re: DIY intake pipe mod

Postby adz2.0r » Mon Jun 29, 2009 11:16 pm

Thanks mate
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Re: DIY intake pipe mod

Postby castek » Wed May 26, 2010 3:35 pm

sorry to dig up a dead one,

but would anyone be keen on a polished stainless intake?

I'm gonna see what i can do with mine, as i work at a stainless reseller and have a few contacts who could do polishing and welding.

Basically would look similar to below, but polished up to a mirror finish.

i need to cut down the bends to fit, but they would be welded together in the middle, and then you'd just need two silicone joiners to mount it all up (bends are 76.3mm OD with a 1.6mm wall, it doesnt go over the intake.

would there be any takers? at a much lower price than the Zerosports ones

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