Vance&Hines 4-2-1 CBR900RR full system - Wrist Twisters
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post #1 of 48 Old 10-28-2006, 03:19 PM Thread Starter
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Vance&Hines 4-2-1 CBR900RR full system

1st I need to say it's bad A$$. I installed the new system today. I referanced the instructions for installing the two brothers system. From what I can tell this was easier. I also updated my PCIII/USB map with one from dynojet. The bike runs awsome. I will upload pictures as soon as I get them resized. The system was $480 after taxes and combined with the power commander worth every dime.

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post #2 of 48 Old 10-28-2006, 03:24 PM
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Quote:
Originally Posted by Fastbackdlm View Post
1st I need to say it's bad A$$. I installed the new system today. I referanced the instructions for installing the two brothers system. From what I can tell this was easier. I also updated my PCIII/USB map with one from dynojet. The bike runs awsome. I will upload pictures as soon as I get them resized. The system was $480 after taxes and combined with the power commander worth every dime.
that's cold man! I wanna see pics! with out them your just making all that up

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post #3 of 48 Old 10-28-2006, 03:40 PM Thread Starter
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I know, I know! I E-Mailed The pics to my house so I could resize and post but as you know the speed of light ain't what it used to be. snail-mail E-mail whats the difference?

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post #4 of 48 Old 10-28-2006, 04:40 PM Thread Starter
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The pictures

I gave up on waiting. I took more picts. What I don't have is the pictures comparing the systems off the bike.
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post #5 of 48 Old 10-28-2006, 05:28 PM Thread Starter
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The post got here. Here's a pic with both head pipes on the floor.
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post #6 of 48 Old 10-28-2006, 06:08 PM
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i like it!!! i'm thinking first of the year to start looking for a used header and pipe like this.

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post #7 of 48 Old 10-28-2006, 08:25 PM
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Wow that looks awesome! I'm w/ you AJ, looks like something I'd like to do come tax return.

Fastbackdlm, when you said you followed the Two Bros. Instructions what did you mean? I though in order to install the 900rr header you need to weld some support brakets, is this true or is it a direct bolt-on?

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post #8 of 48 Old 10-28-2006, 09:08 PM Thread Starter
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I was referring to the instructions posted elsewere on this site for putting a full system on a 919. It came real close.

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post #9 of 48 Old 10-28-2006, 09:20 PM
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Oh I see, thanks. P.S. I have a friend who is from San Marcos, TX and talked alot about New Braunfels. I can't remember if that's where Shlitterbaun *sp* is or some of the best brisket, either or he said hes had good times there.

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post #10 of 48 Old 10-28-2006, 09:39 PM
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Fastbackdlm ,

That setup is beautiful, in contrast to the used-corroded ones. Did you have slipons before? Or was your butt-dyno against the stock config?

Does it stick out to the side more than other CBR900R coversions or is it just the picture angle? Where did you buy them?

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post #11 of 48 Old 10-29-2006, 04:55 AM Thread Starter
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I did not have slip-ons. I cut the ends off the stock cans removed the internals, cut all the baffles out, and reinstalled the thin outer part, and welded the ends back on. I tried running it with nothing inside and it resonnated so bad it hurt my teeth. I've had the PCIII installed for about 3 months and it helped alot, but this mod was really damatic. Even with my 17 tooth sprocket it will stand up or spin the tire at will. I don't know if it sticks out more or not I have not seen a 919 with a full system on it other than mine. I purchased mine through I35 North Honda in New Braunfels the parts guys are very helpful.

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post #12 of 48 Old 10-29-2006, 08:47 AM
 
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well i think it looks like a dog trailing a broken back leg

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post #13 of 48 Old 10-29-2006, 09:15 AM
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Fastbackdlm,

Sticking out directs the exhaust away from your trip saddle bags, plus it is much quieter than my two bros slipons. It's interesting this config vibrates less than your gutted stock pipe. The only downside for knee dragers (not me) would be less lean clearance. Do you have a measurement for the headers' outer diameter (micrometer)? Granted it's the ID that matters but is tough to measure . I am curious if it's the same OD as stock's 1.4". IF it is larger then finding a perfectly tuned PC map would be tough. Even 85% optimal new config (saving the dyno tuning charge) sounds spectacular!

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post #14 of 48 Old 10-29-2006, 09:31 AM Thread Starter
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I'll measure monday. Did you see the pic of the two head pipes side by side? Look at the restriction eleminated where it goes to one pipe. As far as the dog goes, it's way meaner with the broke leg.

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post #15 of 48 Old 10-29-2006, 09:54 AM
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I would like to see how much differance from a dyno.

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post #16 of 48 Old 10-29-2006, 10:13 AM
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How much difference does dyno results really play in the big picture? You end up with a few more or less HP throughout the RPM range... The key is having a PC with the correct map for either exhaust configuration.
IMO what this mod. boils down to is appearance. Do you prefer the dual can look or the low slung single exhaust?

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post #17 of 48 Old 10-29-2006, 06:39 PM
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>Did you see the pic of the two head pipes side by side? Look at the restriction eliminated where it goes to one pipe.

Fastbackdlm,

Thanks for pointing out that VH increases the header outport diameter. What is the VH diameter? The headers are much shorter than stock which also reduces backpressure! VH sure priced it fair. If the other "too proud" exhaust companies would sell their systems for simular I might have considered them.
PC use to include a free coupon for a dyno run, so check with the dealer. I am curious if the less restricted exhaust compromised torque to increase HP.

If I ride a few times in the rain this winter maybe my two bros will corrode out!

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post #18 of 48 Old 10-29-2006, 08:08 PM
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Quote:
Originally Posted by m51142 View Post
IMO what this mod. boils down to is appearance. Do you prefer the dual can look or the low slung single exhaust?
Well, I don't think you'd have that V&H on for looks. That pipes just too low. You know it's going to scrape during aggressive cornering. But if there is a significant hp increase that's another matter to some people.

We would really like to see before and after dyno charts. Seat o' the pants don't count.

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post #19 of 48 Old 10-30-2006, 05:58 AM Thread Starter
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Here's the measurements ODs, stock 1.371in (around 1 3/8) VH 1.644 (around 1 5/8). I will get time slips at the drag strip soon. I am considering purchasing a dyno jet for the shop, only $30,000, I just want to make sure there's enough people in the area intrested to cover payments. Numbers can be tricky though real world testing is the proof. I know bench racers can only look at numbers and this style of communication limits the type of data that can be exchanged. I just can't express how much better the bike performs all over. Throttle responce, acceleration, sound, everything.

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post #20 of 48 Old 10-30-2006, 06:13 AM
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Chrome looks good out of the box, if you're into shiny plated stuff. I've had both. I'll take stainless any day. About 10 minutes with a Scotch Brite pad every 2 months and my stock pipes look like new, no blueing, no rust. I also like my centerstand. With the V+H 4 into 1, your bike will sound like every other 4 into 1. The duals of the 919 are distinctive. To each his own.

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post #21 of 48 Old 10-30-2006, 06:18 AM Thread Starter
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The pipes are stainless they should get that cool stainless color after they've been run a bit more.

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post #22 of 48 Old 10-30-2006, 06:31 AM Thread Starter
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They are not stainless I was thinking of the system I'm installing on my truck. So many rides, so little time. The VH system is chrome and will change color with use. Should be able to keep it clean with steel wool though.

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post #23 of 48 Old 10-30-2006, 07:49 AM
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919 Stock Pipes

Sniper,
Scotch bright will shine up the stock pipes? I've been afriad to try anything at this point...

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post #24 of 48 Old 10-30-2006, 08:04 AM Thread Starter
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Triple 0 steel wool polishes chrome and stainless great. I restore cars and build hot rods and it's how I clean most of the trim. The other thing that works great on other surfaces is Lemon Pledge spray furniture polish. If you read the can it's good wax and does not dry to a white film. It's great for that quick ride and shine.

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post #25 of 48 Old 10-30-2006, 08:07 AM
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bling-bling... Click on my sig. go to my 919 page for details.


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post #26 of 48 Old 10-30-2006, 08:15 AM
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Scotch Bright from Home Depot, in the sandpaper section. I sprinkle a little Comet on a wet Scotch Brite pad if I'm going to wash the bike afterwards. Dry your pipes and wipe down with Honda Polish.

If I'm not going to wash afterwards, I spray a little oil on the Scotch Brite pad and finish by wiping off with a papertowel.

I go all the way back to the black pipe. `04 model. 23,000 miles, look just like Mike's

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post #27 of 48 Old 10-30-2006, 08:22 AM
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Bling Bling

Hey Thanks! After just a season of riding, they have turned yellow with black spots. I'm going to brush and polish next weekend. :tooth:

You guys rock!

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post #28 of 48 Old 10-30-2006, 09:13 AM
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Fastbackdlm,

Thank you for taking the measurements. Wow, that's a 44% gain in cross area (relative to r^2)! Combined with the much shorter pipe connector it greatly reduces your backpressure!

$30K for a dyno! Unless you have a huge client list you will never see that money again (EG don't do it!). DJ's website lists all the certified tuning shops. Don't just get it dynoed, tune it. I am curious how the tune optimal PC map compares to the handful available on PC's site.

Yesterday in a hairpin I dragged my boot's toe through a turn. Hello, lift it up! Not sure which is lower my toe or your pipe. But yours is much faster!

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post #29 of 48 Old 10-30-2006, 09:53 AM
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Originally Posted by dream247919 View Post
Yesterday in a hairpin I dragged my boot's toe through a turn. Hello, lift it up! Not sure which is lower my toe or your pipe. But yours is much faster!
You shouldn't be dragging your toe before the peg feelers touch down. Ride on the balls of your feet and you won't be touching your boots to the ground mid-corner.

As for the low pipe touching the ground, you're more likely to fall off the bike than drag the pipe. Plenty of other hard parts will touch before that pipe ever does. I still have my peg feelers on, but they're about half gone and my low pipe has never seen the ground. Trust me, the low pipe won't drag. If you think you need the extra ground clearance, you're probably wrong. The high pipes on the 919 are for aesthetics only.

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post #30 of 48 Old 10-30-2006, 10:22 AM
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Bock,

Thank you for the helpful tip and clarification on pipe clearance! Half gone peg feelers...that on the road "mod" is increasing your lean rate!

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post #31 of 48 Old 10-30-2006, 10:40 AM
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Bock,

Thank you for the helpful tip and clarification on pipe clearance! Half gone peg feelers...that on the road "mod" is increasing your lean rate!
Yeah, the bad thing is that removing them now is basically impossible since the nut is worn off the feeler.

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post #32 of 48 Old 10-30-2006, 11:25 AM
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Quote:
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The high pipes on the 919 are for aesthetics only.
No way! They are also for providing the distiguished aroma of 919 cologne. For the ladies!

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post #33 of 48 Old 10-30-2006, 11:46 AM
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I don't want to lose the 919 social advantage. If I do the low pipe mod where can I purchase 919 cologne?

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post #34 of 48 Old 10-30-2006, 01:51 PM Thread Starter
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You might try laying under the back of your Kia while the honey pushes the accerator a couple times. Other than that you might try Wal Mart.

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post #35 of 48 Old 10-30-2006, 03:21 PM
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Hey could we get a recording of this type (cbr900rr) of exhaust?? anyone??

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post #36 of 48 Old 10-30-2006, 03:45 PM Thread Starter
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I'll see if I can get a sound bite. But, as everyone knows it won't sound the same.

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post #37 of 48 Old 10-30-2006, 04:02 PM Thread Starter
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O.K. here's a sound bite for what it's worth. The wife taped it from about 10ft behind the bike I thought that would be far enough but, it still ticked her off. Ya know fumes and air blowing in her face. (It was great) Now the sound disclaimer, it was way better in real life, Memorex it ain't.

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post #38 of 48 Old 10-30-2006, 04:05 PM Thread Starter
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I attached it really I did. OK how do I attach a .wav file? It won't upload.

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post #39 of 48 Old 10-30-2006, 07:50 PM
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i'll wager your butt dyno is wrong and u lost midrange in order to gain some ponies up top

the only way to tell is to have before and after dyno runs on the same day (and hopefully very similar atmospherics and running temps)

Borla makes a full system for the 9r (very inexpensive btw)

H9R has posted dynos of his full system efforts...would shed some light on my remarks for the curious

coulda warned u about the gutted stock can buzzin like a beaatch

there are now at least 3 Schlitterbauns...the best being in San Marcos (about 90mins from my bro's place)

dude, i can't believe you bolted a V&H to the 919...Baba-san would be spinnin in his grave...'cept he's still alive so i'm sure somewhere in Japan there's a guy w/ a massive migrain about now

thx 4 postin the pics...always good to see the mods folks are doin but pleez, now that you have a v&H system, resist the urge to buy leather saddle bags and tassles

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post #40 of 48 Old 10-30-2006, 08:04 PM
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Quote:
Originally Posted by ratdog View Post
i'll wager your butt dyno is wrong and u lost midrange in order to gain some ponies up top

the only way to tell is to have before and after dyno runs on the same day (and hopefully very similar atmospherics and running temps)

Borla makes a full system for the 9r (very inexpensive btw)

H9R has posted dynos of his full system efforts...would shed some light on my remarks for the curious

:
hey do u have some more info on this stuff?? links maybe?? still searching just thought i'd ask....

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