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Old 02-11-2010, 04:20 PM   #1
lets_FOCUS
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CAI or SRI?

I know a bit about the differences between a cold air intake, and a short ram intake, but I want some people's input who have experienced either or!

I am driving an '03 Duratec, and i currently have a Magnaflow 2.25" cat-back exhaust. Will either intake change the exhaust note, or will I only notice a difference in intake noise?

Also, I know the SRI's are prone to heat-soak, where the air warms up during city stop-and-go driving, and causes poor acceleration. I do a lot of city driving, will I really notice this a lot, or not so much? We do have pretty hot summers here.

I know CAI's can get waterlogged, or even suck water into the engine, how likely is this to happen? I live in western NY and we get a fair share of rain, and lots of snow and slush in the winter. I don't want to mess up my engine.

I want the intake that is the MOST practical, I know they each have their pros and cons, but what is the best way to go??

Insert opinions here! :)


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Old 02-11-2010, 04:27 PM   #2
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i would say to go with a cai, i myself am going to do a cai soon but i need the money hah. yes the water can be sucked into the engine causing the dreaded hydro lock but you could order or build a box/ protector to keep the water out.! i remember that someone on this forum had a thread showing his custom built cai water protector. i can't remember his profile name at the moment but yea, you can build one.
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Old 02-11-2010, 04:44 PM   #3
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I will have to take a look around for it. I do like 50/50 highway and city driving, so that heatsoak problem with a short ram would get real annoying.. I just really really really can't afford to have my engine hydrolocked! If I can shield it though, then I think that's what I will do!

Know any good CAI's? I know a dealer around here that said he can get me a decent price on an AEM, are they any good?
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Old 02-11-2010, 04:50 PM   #4
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People are scared of hydrolocking, but it's really not that easy to do. You really need to submerge it or hit a HUGE puddle. I have a CAI and went through Canadian winters and heavy rain with it, no issues what so ever. I switched from an SRI to a CAI because I got heatsoak one day, my car was bogging hard.

Go check out http://focussport.com/coolflo.htm They have great parts and their CAI is of great quality.
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Old 02-11-2010, 05:03 PM   #5
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if you have the factory bottom splash guard no need to worry, unless you dunk the car in standing water ordrive through a flooded street where the water is about 1/2 tires high :D
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Old 02-11-2010, 06:23 PM   #6
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Quote:
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if you have the factory bottom splash guard no need to worry, unless you dunk the car in standing water ordrive through a flooded street where the water is about 1/2 tires high :D
Well my splash guard is actually busted out, but I am putting a body kit on in the spring, so I may try to build some sort of shield, but I think I will definitely go with the CAI from what you guys are saying! Thanks for the advice!
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Old 02-13-2010, 06:23 PM   #7
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if you have the factory bottom splash guard no need to worry, unless you dunk the car in standing water ordrive through a flooded street where the water is about 1/2 tires high :D
I can do this easy without a splshguard thanks to my SRI. :]

Good thing too, I've had to do it a few times. Floods really bad where I live.

Plus my SRI was free + cost of a filter. DIY FTW.
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Who in their right mind would run 185's on a 7"wide tire? That's retarded.
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Old 02-14-2010, 01:07 PM   #8
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I have a K&N Typhoon intake and never had any problems out of at all.
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Old 02-14-2010, 09:52 PM   #9
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I can do this easy without a splshguard thanks to my SRI. :]

Good thing too, I've had to do it a few times. Floods really bad where I live.

Plus my SRI was free + cost of a filter. DIY FTW.
Did it yourself huh? How did you manage that? I don't think it sounds too difficult. Did you use stock piping and just disconnect the bottom half? Let me know! I may give that a shot! We do occasionally run into some nasty rain here, but usually no real severe flooding.
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Old 02-15-2010, 05:42 AM   #10
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Quote:
Originally Posted by lets_FOCUS View Post
Did it yourself huh? How did you manage that? I don't think it sounds too difficult. Did you use stock piping and just disconnect the bottom half? Let me know! I may give that a shot! We do occasionally run into some nasty rain here, but usually no real severe flooding.
Remove all stock piping, take the MAF sensor housing (pictured here) and slide the wider end into the flexible pipe on the throttle body, then you're done. You have to turn the MAF sensor around and maybe trim the pipe if your filter is too long, but otherwise it all fits like a glove.

^the pipe
How its assembled\/


At some point I'd like to make a guard around it and make a better seal for the MAF sensor (as you can see my seal is ghetto LOL). But I've run mine like this for a while now, on many many road trips, and I've even had someone who drives a focus say mine has a lot more top-end power. I figured that was a nice compliment for a cheapo mod. I have a thread on it, I'm just too lazy to find it. Plus its 7:00 AM and I need to go to sleep.
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Who in their right mind would run 185's on a 7"wide tire? That's retarded.
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