View Full Version : Long Velocity stacks
Skomansteve
12-12-2007, 10:25 AM
Just had a peep inside the airbox today to see if I need to fit the long velocity stacks from my K5 - in the GEN 2, the centre 2 are just a fraction longer than the outer 2, so next day off I'll see if the old longer stacks fit.......and more importantly if they do fit, what difference they make, along with the Yoshi TRC's I've got coming.........Should hopefully give even more mid range grunt..........as if it needs it!! :whistling:
Tybalt
12-12-2007, 01:56 PM
Just had a peep inside the airbox today to see if I need to fit the long velocity stacks from my K5 - in the GEN 2, the centre 2 are just a fraction longer than the outer 2, so next day off I'll see if the old longer stacks fit.......and more importantly if they do fit, what difference they make, along with the Yoshi TRC's I've got coming.........Should hopefully give even more mid range grunt..........as if it needs it!! :whistling:
very cool:thumbs up:
is the GenI air filter the same as GenII? will it fit a Gen1 into a new 08?
and what about the flapper valve? same air box mod as previous? also is the pair valve now located between the air box and the top of the head or intake? not on the exhaust side? would you have any pics of these new changes for the 08 from GenI?
-Duane
Skomansteve
12-12-2007, 02:35 PM
very cool:thumbs up:
is the GenI air filter the same as GenII? will it fit a Gen1 into a new 08?
and what about the flapper valve? same air box mod as previous? also is the pair valve now located between the air box and the top of the head or intake? not on the exhaust side? would you have any pics of these new changes for the 08 from GenI?
-Duane
Good points Duane - air box seems much bigger on the Gen2 - explains the deeper growl while accelerating I guess..... I'll take some more pics when I actually fit them :thumbs up:
fastclown
01-28-2009, 12:44 PM
Hey guys...I just started on my air boxs mods....I have an 06 Busa, I'm not 100% shure but I don't think mine comes apart in two like your photo shows....I've started cutting out the flapper valve and am in the market for some shorty vilocity stacks( where to buy them..?)...can anyone tell me how you fill the hole at the bottum of the flapper valve ..? :whistling:
Got-Busa?
01-28-2009, 12:51 PM
The Gen-I and Gen-II airbox's are totally different so yours won't look like that.
I would go to www.ronayers.com (http://www.ronayers.com) and just buy short stacks from them for less than $50. The aftermarket metal ones are expensive and not really worth it IMO.
You can either leave the valve in and just cut out the flapper portion or some people cut it out and then fill it in with a small piece of the excess plastic.
Just make sure you smooth the airbox and remove all debris after trimming it. :oh yeah:
If you search "small box mod" on Hayabusa.org, you will get thousands of hits with pics and how to stuff.... :thumbs up:
fastclown
01-29-2009, 12:56 PM
Thanks for the Busa reply (fast) I'll check .org...I've found a couple of short ones for $25....I'll let you know how it works out...Thanks again..:cheers:
V8Pinto
01-29-2009, 06:30 PM
Here's what the inside of the 08' airbox looks like. The Pipercross filter did a good job of keeping that salt out of the engine (thanks HPC!)
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