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TOPIC: How to modify stock air box Forum Tools Post New Topic Show latest posts Rules

#238261 lnelson (User) Fresh Boarder Posts: 10 How to modify stock air box 2 Years, 6 Months ago   I am going to break down and install a K&N air filter in the stock air box of my '01 RS/Midnight. Some reading in the Jetting side made reference to a "Poorman's BAK", but the link is now defunct. Can anyone describe the modifications to the stock air box (pictures worth a thousand words!)needed to get good airflow? I can't do a real BAK kit now, but the stock airbox is fine and looks alright. I am also going to install a Dynojet jet kit after. Thanks!   Logged     The administrator has disabled public write access. #238264 jvcexc (User) Expert Boarder Posts: 477 Re:How to modify stock air box 2 Years, 6 Months ago   Inelson, just requires drilling a few holes in the black part of the box. Pictures too big, will try again in a few minutes jvcexc http://i178.photobucket.com/albums/w275/jvcexc/1117091500-00.jpg http://i178.photobucket.com/albums/w275/jvcexc/1117091500-01.jpg Lets try this jvcexc   Logged     Last Edit: 2009/11/17 15:43 By jvcexc.     The administrator has disabled public write access. #238267 BigBoyinMS (User) I'm satisfied never being satisfied. Platinum Boarder Posts: 1705 Re:How to modify stock air box 2 Years, 6 Months ago   Well, you have the 'Poorman's BAK" that is simply drilling holes (3/4 " - 1" ) in the airbox base... and then you have "BigBoy's BAK" which is where I took my Dremel and cut off the lower half of the base except for the lower mount. That way there is NO restriction from the airbox and the top is still covered.   Logged     Last Edit: 2009/11/17 15:43 By BigBoyinMS.   2006 Midnight   The administrator has disabled public write access. #238270 Flashback (Moderator) Just the facts, Ma'am.. Moderator Posts: 9221 Re:How to modify stock air box 2 Years, 6 Months ago   Or, for about the same bucks, get a K&N universal filter like Mr. C's, fab up a bracket, it will look awesome with the hooker drag pipes..   Logged     Last Edit: 2009/11/17 15:44 By Flashback.     The administrator has disabled public write access. #238271 BigBoyinMS (User) I'm satisfied never being satisfied. Platinum Boarder Posts: 1705 Re:How to modify stock air box 2 Years, 6 Months ago   Flashback wrote: Or, for about the same bucks, get a K&N universal filter like Mr. C's, fab up a bracket, it will look awesome with the hooker drag pipes.. That's what I WOULD have done if my bike had not had the billet V102 cover when I bought it. I like that cover! (and hate the factory cover)   Logged     2006 Midnight   The administrator has disabled public write access. #238276 Flashback (Moderator) Just the facts, Ma'am.. Moderator Posts: 9221 Re:How to modify stock air box 2 Years, 6 Months ago   it's not too late, about 50 bucks and a little time, and your there..A lot of good looking air boxes out there, but if you want to see the jugs, you have to keep the accessories small , His hooker pipes hide a little more than I like, but with a small airbox, it will balance out real nice...Just MHO............   Logged       The administrator has disabled public write access. #238281 fireman922 (User) Chrome won't get ya home, but it will get ya laid. Platinum Boarder Posts: 4346 Re:How to modify stock air box 2 Years, 6 Months ago   Jugs are good!!   Logged     Grow Old or Die Trying...   The administrator has disabled public write access. #238282 99R*Rider (User) Senior Boarder Posts: 359 Re:How to modify stock air box 2 Years, 6 Months ago   Be advised that drilling holes in the stock airbox requires jetting changes now, not later. I had my stock airbox off and apart last night and decided to try a little opening up. I bored a 1 3/8" hole in the bottom front portion of the airbox, Ramair effect, My R* did not like that at all. It was great on top end revs but getting it there was a fight with the throttle. Definite jetting required. I taped over the hole I made and all is normal for now. In a couple of weeks when the snow flies and the bike goes up on the jack for the winter, the carb's comming off for rejet and other things as well as the rest of the bike getting attention for various stages of maintanance and mods.   Logged     1999 Silverado   The administrator has disabled public write access. #238290 Flashback (Moderator) Just the facts, Ma'am.. Moderator Posts: 9221 Re:How to modify stock air box 2 Years, 6 Months ago   Roadstarnewbie2009 wrote: Be advised that drilling holes in the stock airbox requires jetting changes now, not later. I had my stock airbox off and apart last night and decided to try a little opening up. I bored a 1 3/8" hole in the bottom front portion of the airbox, Ramair effect, My R* did not like that at all. It was great on top end revs but getting it there was a fight with the throttle. Definite jetting required. I taped over the hole I made and all is normal for now. In a couple of weeks when the snow flies and the bike goes up on the jack for the winter, the carb's comming off for rejet and other things as well as the rest of the bike getting attention for various stages of maintanance and mods. kinda gives you an idea of the potential that is lurking...   Logged       The administrator has disabled public write access. #238308 lnelson (User) Fresh Boarder Posts: 10 Re:How to modify stock air box 2 Years, 6 Months ago   Thanks for the replies. I already have the jet kit ready to go. Besides the back of the box, can you go the outer diameter (sides) of the black plastic housing? Or, is the rear all that is needed? Are many smaller holes better, or a few larger?   Logged     The administrator has disabled public write access.

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