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View Full Version : Whats the Best AIRBOX for 400ex?


honda_runner
10-21-2007, 12:33 PM
Im looking to relocate my battery into the airbox, and was wondering what is the best one out there? Money is not an issue.
honda_runner
10-21-2007, 01:59 PM
I found one I like http://cgi.ebay.com/ebaymotors/Honda-TRX400EX-400EX-Aluminum-Airbox-Air-Box-Intake_W0QQitemZ260172095841QQihZ016QQcategoryZ460 93QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
coryatver
10-21-2007, 02:07 PM
Stock is the best. If you get one with the battery in it, it WILL break. The weight just breaks them apart no matter how strong them make them. Not to mention the wiring issues that they cause.
honda_runner
10-21-2007, 02:18 PM
I know stock is the best, but I can't stand the battery and wires being out in the open... And i've never seen one break apart, i could see the brakets breaking since its all aluminum... idk
250x_kyle
10-21-2007, 04:14 PM
if you can weld aluminum make ur own custom one it will be sturdy enought. its just the fact that the aftermarket ones are mass produced that they break.
gcart2
10-21-2007, 05:00 PM
are there n e more. i dont like that one. i would like one were the battery is in a different compartment.
10-21-2007, 06:03 PM
Originally posted by honda_runner
I found one I like http://cgi.ebay.com/ebaymotors/Honda-TRX400EX-400EX-Aluminum-Airbox-Air-Box-Intake_W0QQitemZ260172095841QQihZ016QQcategoryZ460 93QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

The only problem I see with this is airflow, look at how tightly cramped everything is and there is barely any room for air. The more room you have the better the airflow.
honda_runner
10-21-2007, 10:48 PM
Originally posted by FoxHondaRider
The only problem I see with this is airflow, look at how tightly cramped everything is and there is barely any room for air. The more room you have the better the airflow.

True! it is cramped but, im sure i can take the lid and drill some holes in it..., but maybe not since it keeps the snorlke still.
jeremy_283
10-23-2007, 08:15 AM
i had one, they will crack and break, i ended up putting a stocker back on, leave it be, your better off
Nates400ex
10-23-2007, 11:27 AM
NONE!!!!!!!!
HingeDisc07
10-23-2007, 02:34 PM
I love my airbox, and was able to relocate everything inside it without being so cramped. Heres a pic: http://i183.photobucket.com/albums/x285/HingeDisc07/S6301377.jpg
gcart2
10-23-2007, 05:32 PM
Originally posted by HingeDisc07
I love my airbox, and was able to relocate everything inside it without being so cramped. Heres a pic: http://i183.photobucket.com/albums/x285/HingeDisc07/S6301377.jpg

what kind is that??? where you get it from?
HingeDisc07
10-23-2007, 08:35 PM
gcart: This is an Insane Performance Airbox and retails for about $100.

You can get this box off Ebay (http://cgi.ebay.com/ebaymotors/HONDA-400EX-RACING-ALUMINUM-AIR-BOX-AIRBOX-400-EX-ATV_W0QQcmdZViewItemQQcategoryZ43979QQihZ019QQitem Z290173320606QQrdZ1QQsspagenameZWDVW) or their official web site IP (http://www.insaneperformanceatv.com/)
10-23-2007, 08:38 PM
IMO over $75 for an airbox is not worth it
jeremy_283
10-24-2007, 08:08 AM
Originally posted by HingeDisc07
gcart: This is an Insane Performance Airbox and retails for about $100.

You can get this box off Ebay (http://cgi.ebay.com/ebaymotors/HONDA-400EX-RACING-ALUMINUM-AIR-BOX-AIRBOX-400-EX-ATV_W0QQcmdZViewItemQQcategoryZ43979QQihZ019QQitem Z290173320606QQrdZ1QQsspagenameZWDVW) or their official web site IP (http://www.insaneperformanceatv.com/)

thats the one i got, the welds kept breaking, but they were good people cuz i mailed it and he welded it back for free