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Old 21 Mar 2008, 09:16 pm
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Default Is having a cold-air intake installed in my 04 Civic DX worth the risk of hydrolock?

Or is it so unlikely to occur that I should just have it put in in and not even worry about it?And are those bypass valves that are suppose to prevent water from getting into the intake even effective, or are they just a waste of money?--I also heard that they could even hinder the performance of the CAI, is this true?
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Old 21 Mar 2008, 09:31 pm
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No, hydro-lock blows and is expensive because you need an entirely new engine if it fails. Reroute the pipes to pull air out of the inside of your car or trunk or something like that.
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Old 21 Mar 2008, 09:46 pm
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I was in the car business for a while, and a kid came buy with a cool air intake on a locked engine. He had to pay 3K and kiss his warranty good bye. just my 2cents
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Old 21 Mar 2008, 10:01 pm
Join Date: Oct 2007
Posts: 94

the other guys probably havent gotten a k&n filter because they are to expensive to put into their ricers but its true it wont give you a higher HP but what it does it allows your car to get a better torque this means that it will respond better to the throttle and it will accellerate faster i know because i put an exhaust and a cold air intake in my car.if you drive in the rain or in rainy conditions then i would get the bypass. i tested them out. i parked over a puddle and started to rev the engine. and i took off the cold air intake and the pipe was wet inside. i installed the Bypass valve and did the same thing same puddle about 2 mintes later and the pipe was completely dry. the bypass is alittle thicker cloth then the air filter so it only sucks in when there is pressure at the filter. pressure caused by water.for your second answer when you drive in the rain you will feel it alittle sluggish but very very little but in the dry weather your CAI will perform like if the bypass was never there. i know i would have like 4 engines thrown out back without the bypass and when i dont have a bypass i dont risk it and just go short ram till i can get one. also make sure you get a K&N filter they allow better breathing. but you have to also remember if you are letting more air into the engine you need to let more air out of the engine so when you get a cold air intake you will get even better response with some headers and an exhaust system. otherwise you are allowing to much air in and not enough airflow out this wont damage your engine but it will damage performance that it puts out. any 4-2-1 headers will be good even nonamed headers and if you cant get a full exhaust i always went to and went to mufflers and order the 31" thrush magnum glasspack it should have a 2 1/4 inlet and outlet and have a muffler shop make a 2 1/4 exhaust for you. the glasspack is a resonator it cuts sounds to the straight through piping but still allows full air flow. and it cost about $31 for the resonator and a shop will make the exhaust for about 60-80 with resonator installed. it will sound clean and deep. and it will give you a better accelleration
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Old 21 Mar 2008, 10:16 pm
Join Date: Feb 2008
Posts: 44

Nah my friend brad got one and me him and my friend tom put on cold air and it was down there... so like 2 days later his dad takes it out and he told his dad watch out for puddles b/c of the cold air... and the mother ****er drives it threw this huge ass puddle and the engine got hydrolocked... we had to pull it out and get another d15 engine and get the good parts from the hydrolocked one and put them on the other one and it took us 2 days to get it running again and it took a month and a half to find the engine... so im my opion unless u have another car on stand by its not worth it... at all...
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