I just bought my 06 XRS and am thinking about doing a CAI, which one do you have and how has it worked for you? Also wondering what the potential risk of hydrolocking the engine is by removing the stock air box and using a cia system instead.
I have the TRD CAI on my 03 XRS. I've had it on for over 3yrs now and faced all types of weather.
The air filter is protected really well from the elements. The bumper protects it from the front and side, the fender liner from the rear and the splashguard from underneath. The only way you'll hydrolock is if you submerge the dang air filter underwater. At that extent, you've gotta be driving in a foot of water. How often do you drive in a foot of water?
On an 06 you only have 2 choices. The Cosmoracing fits and works great. That's what I have, however I don't believe they are CARB certified for CA. You can also use an Injen for 04 and up, but you'll have to midify it slightly. You can go to www.matrixowners.com and search and read more than you'd ever want.
On an 06 you only have 2 choices. The Cosmoracing fits and works great. That's what I have, however I don't believe they are CARB certified for CA. You can also use an Injen for 04 and up, but you'll have to midify it slightly. You can go to www.matrixowners.com and search and read more than you'd ever want.
I put the 04 Matrix CAI on my Corolla XRS, no modification required. It dropped right in, well after I took the bumper off.
If you get a CAI get the Injen, it is safely hidden inside your bumper, much safer from water and whatnot. The Cosmo intake just hangs down behind your bumper, which is asking for trouble IMO.
I've driven through some pretty mean rain, lots of standing water here in TN on the highway, and never had any problems with hydrolock. Everyone says they know someone who hyrdrolocked, but I think it's all bullshit urban legends....
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2005 Corolla XRS
Vibrant exaust, 30% tint, K&N Short Ram Intake, HKS grounding kit, ES motor mount inserts, TRD Springs, Koni Yellow shocks
Actually my Cosmo is sooooo protected behind the bumper that I have to remove the bumper to clean the filter. One disadvantage in some respects of the 05/06. The only way you'd get hydrolock is by fully submerging the filter in water. A little overspray and whatnot from rain and slush won't cause hydrolock.
ive heard good things about the injen intake for the 06 matrix. thats the one i will be getting here shortly, and as far as hyrdolocking your car, the water has to be pretty drastic. the reason i even have a matrix is because i totalled my 03 cavalier by driving through deep water, and hydrolocking the engine. they said that its too expensive to fix, so they totalled it and took it to the salvage yard. my baby is gone, but i must say that i like the matrix a ton better. a lot classier and a ton better handling than the cavalier.
It all depends on the type of car for the intake. I can say that because I had a 1994 Saturn SL1 with an Injen intake system wai (warm air intake) or more commonly known nowadays as a shorty, not cold air. I never had any issues with water whatsoever.
Moving along to my 2002 Honda Civic EX, I put an AEM cai on the car immediately and whenever it rained really hard or I hit the slightest small puddle (i.e. little runoff on the side of the road even) the car would make a huge rattle under the hood (water in the system), only way to fix it was to push the clutch in and coast until it drained out then hope I can keep momentum w/o giving it throttle. It sounded like a damn rock bouncing around under my hood.
So I pulled off the cai piping and left it as a short. Essentially I removed the second pipe that extends down behind the bumper so the intake sat just below the hood next to the battery.
Well that didn't help much. For some reason on the Civic the fender wells for the front wheels only went to the Spring and did not continue after that to the back, you know the part where water is flying off the tires. So combine that with a set of Falken ZX-512 summer performance tires (V-tread) and you have a lot of water being thrown into this area, causing even the shortened pipe to incur the water ingestion.
I lucked out in that I never hydrolocked thankfully, and it was becoming a PITA (pain in the ass) to have to keep taking my gf's 2005 Liberty Renegade out in rain or to go anywhere in weather.
Hence I bought the 2005 AWD XR Matrix and will not be touching the intake, maybe a K&N drop in instead of paper, but thats all. I got the AWD for weather driving so why compromise it.
But again, (yes this is getting long, but it has good info), for a Matrix/Corolla it may be completely different because of the plastic guards under the engine and around the bumper/wheel wells.
I can attest to knowing litterally hundreds of Matrix owners with CAI's and have never once heard of a hydrolock. The end of the pipe/filter would have to be fully submerged to have hydrolock. I've driven mine in some hard driving rain without a stutter. I've also hit some large puddles without a problem. If you want to just drive a stock car, then leave it, if you want to do a few performance mods, I'd start with a CAI.
i concur...that's what i did, started w/ TRD CAI (took an hour to install), change the exhaust to MAGNAFLOW & use 91 octane gas to have a few performance mod and probably in the near future, to instal a high flow catalyctic converter (still trying to figure it out on what it can do, someone suggested and I think it was the guy who's above me who suggested it..hehehehehe! right, trxr4kds?)
Last edited by unklekraker; 08-17-2006 at 08:51 AM.
K&N Filters just recently released a typhoon kit for the 05 (which is identical to the 06) XRS. Now keep in mind that the K&N Typhoon is not a true CAI (cold air intake) it is a SRI (short ram intake)... Thats another option.
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Risk of hydolock???
my baby is gone, but i must say that i like the matrix a ton better. a lot classier and a ton better handling than the cavalier. 
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