January 24th, 2012, 01:52 PM | #1 |
la pussy gata
Name: kit
Location: xx
Join Date: Jan 2011 Motorcycle(s): big wheel Posts: 540
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What exhaust are you running and how do you like it?
Okay so I have a makeshift exhaust on my bike right now. After talking to Rexbo and realizing i'm down 5hp right now I think I should probably get up to speed with a new exhaust and jetting to at least stand some sort of chance. Now here is where the subject question comes in.
What exhaust are you guys running or recommend and any noticeable pro's and con? Price, weight, etc. Halp! |
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January 24th, 2012, 02:02 PM | #2 |
Milkshake Drinker
Name: Skippii
Location: Richmond, Va
Join Date: Aug 2011 Motorcycle(s): 2007 Orange DRZ400-S, 2005 Ninja 250 & Custom Thundercunt Dirt Chopper Posts: A lot.
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You don't want to know...
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January 24th, 2012, 02:13 PM | #3 |
ninjette.org certified postwhore
Name: Sean
Location: Mary Esther, FL
Join Date: Jan 2009 Motorcycle(s): 2008 Ninja 250 1998 HD Road King Posts: A lot.
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Mgp Growler slip on. It weighs next to nothing and my mileage went up slightly with 2 shims. It is however louder than hell.
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January 24th, 2012, 02:29 PM | #4 |
ninjette.org member
Name: Shikari
Location: NJ
Join Date: Jun 2011 Motorcycle(s): 11' 250R Posts: 27
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HMF Slip-On, pretty loud can hear it from a bit away. Sounds pretty good though, got compliments on it at my MSF and Military Sport bike course
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January 24th, 2012, 02:34 PM | #5 |
Your Lord Funny Bits
Name: Darrell
Location: Fort Collins
Join Date: Jan 2012 Motorcycle(s): 2011 Kawasaki Ninja 250 Posts: 95
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DanMoto Carbon GP - I like it, but after perusing the forums, I can definitely tell that the bike runs lean (and did from the factory) looking to shim the carb needles soon.
Other than that, it looks great, was inexpensive, sounds mean, and was generally what I wanted. 9/10 stars atm. |
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January 24th, 2012, 02:39 PM | #6 |
ninjette.org guru
Name: Joel
Location: Orlando, FL
Join Date: Dec 2008 Motorcycle(s): 08 Ninja 250 Posts: 256
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AreaP quietcore. Little heavier than the standard one, but I don't really notice a performance difference from the others when on the track.
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WERA #273 Novice Boogeyman Racing. |
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January 24th, 2012, 02:52 PM | #7 |
ninjette.org member
Name: Ben
Location: Atlanta
Join Date: Feb 2011 Motorcycle(s): 2008 Honja Posts: 171
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Area P Header + DanMoto Can. Light, good butt dyno increase, loud as balls.
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January 24th, 2012, 03:00 PM | #8 |
ninjette.org dude
Name: 1 guess :-)
Location: SF Bay Area
Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much.
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Guys, this is the track section of the site. Slip-ons do very little for the performance of our favorite bike, and noise/looks are inconsequential in this context, so the only real choices for someone looking for a few precious hp are the various full systems available. Ping racebikerentals or any of the other long-time ninja 250 track junkies, as I know they've been through a few different setups over the years.
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January 24th, 2012, 03:12 PM | #9 |
CVMA / AFM / M1GP #250
Name: Steve
Location: Los Angeles
Join Date: Sep 2009 Motorcycle(s): 2009 Ninja 250r, 2011 Zero S, 2009 KLR 650 Posts: A lot.
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I personally run a Jardine GP-1 because its the absolute lightest one out there, is tucked away so if I munch it I probably wont need to replace it, but its also the loudest... on the whole grid! People say it won't make power but I made 31.9 on the dyno with that bad boy, so I don't see a downside here.
Then take your bike to Andy at West Coast GP cycles, tell him you race CVMA and he'll give you the same tune I got! |
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January 24th, 2012, 07:21 PM | #10 |
ninjette.org certified postwhore
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I dunno, I think he's got some competition for you
Jonah 17 do you have the race system header or the standard full system headers, just for clarification here |
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January 24th, 2012, 08:27 PM | #11 |
ninjette.org guru
Name: andrew
Location: oakdale california
Join Date: Nov 2011 Motorcycle(s): 2012 ninja 250 Posts: 296
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mgp growler slip on as well.
I have yet to put on 2 shims, and it's running lean! Crackles and pops! It's loud, which I don't mind! I kinda like the sound! I just need to shim already! |
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January 24th, 2012, 08:29 PM | #12 | ||
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Quote:
Quote:
But still shim because it still needs it. |
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January 24th, 2012, 09:22 PM | #13 |
ninjette.org guru
Name: Ed
Location: Atlanta, GA
Join Date: Mar 2011 Motorcycle(s): 899, 748, 250, 250, 70 Posts: 348
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Area P long canister. My tuner has tried most all of the pipes available for the 250, and the Area P 18 incher makes the most power on his dyno.
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Eberhart Creative |
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January 24th, 2012, 09:33 PM | #14 | |
Milkshake Drinker
Name: Skippii
Location: Richmond, Va
Join Date: Aug 2011 Motorcycle(s): 2007 Orange DRZ400-S, 2005 Ninja 250 & Custom Thundercunt Dirt Chopper Posts: A lot.
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Quote:
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January 24th, 2012, 09:53 PM | #15 |
ninjette.org dude
Name: 1 guess :-)
Location: SF Bay Area
Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much.
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The restrictions in the stock new-gen's exhaust are in the headers as well as the end can. These aren't hypothetical musings, it's what exhaust builders and designers have found with the 250.
A moderately tuned ninjette with intake mods, full exhaust, and good jetting gets in the 30 - 32 peak rwhp range. That same bike with none of those mods is in the 25-26 peak rwhp range. The gains in peak hp are well over 10%, and 15% isn't out of the ballpark. Even if the slip-on exhaust saved 20 pounds over the stock can (it doesn't), that would be a percent gain in acceleration of about 4%. (assuming 370 pound wet weight bike, 150 pound rider). Every little bit counts, but you're overly discounting the effect of the hp increase.
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January 24th, 2012, 11:24 PM | #16 | |
ninjette.org certified postwhore
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Quote:
Area P 18" full race exhaust 10 lbs weight saving + 10 hp gain at peak + more torque the whole way through the rev range with a secondary hump at 10k. Power increase all the way from 3000 rpm http://areapnolimits.com/products/Sl...-Race-2008.php Makes me want a new 250R. I plan on getting a new one after college. If Kerry is still making this system at that point in time, you can guess what exhaust system is going on it |
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January 25th, 2012, 12:14 AM | #17 | |
R&T Suspension
Name: K Hertell
Location: San Antonio, TEXAS
Join Date: Jun 2009 Motorcycle(s): Too many to list Posts: 175
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Quote:
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January 25th, 2012, 12:17 AM | #18 |
R&T Suspension
Name: K Hertell
Location: San Antonio, TEXAS
Join Date: Jun 2009 Motorcycle(s): Too many to list Posts: 175
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M4, best power/torque and I've built quite a few.
Muzzy for the old gen, and then you want an old style w/o much muffler angle. The bend won't drag when racing like the new ones w/ more angle to look more modern. |
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January 25th, 2012, 02:22 AM | #19 | |
Milkshake Drinker
Name: Skippii
Location: Richmond, Va
Join Date: Aug 2011 Motorcycle(s): 2007 Orange DRZ400-S, 2005 Ninja 250 & Custom Thundercunt Dirt Chopper Posts: A lot.
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Quote:
OEM Peak Power: 24.56hp Full Race System peak power: 31.57hp "You will notice that at peak power the Race System is more than 10.5 hp over the OEM exhaust" .....okay, I get what they mean, but this is a really awkward way of saying the race system puts out a peak of 7hp more than the stock bike's peak. Also, notice that the standard full system is 4.8hp over stock, and that includes the airbox removal. All I'm saying is that if you're not racing, removing the airbox and going to K&N Pods with a slipon exhaust with a full rejet is going to get you results very similar to the full system with no airbox and a full rejet. Now, obviously there ....actually, nevermind. It's 4:30am and I'm going to bed.
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January 25th, 2012, 08:03 AM | #20 |
ninjette.org certified postwhore
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yeah I get where you're coming from skippii. For the street, the benefit is more than enough.
But the OP wants suggestions for the track, where every hp gained and lb lost is going to be noticed because all the bikes are tuned, and realistically every bike is likely within a few hp of each other, so small things (like 2 lbs) make a difference |
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January 25th, 2012, 09:53 AM | #21 |
ninjette.org certified postwhore
Name: dino
Location: Oceanside, Ca
Join Date: Nov 2010 Motorcycle(s): '09 250 Street, '09 250 Race, '13 300 Race Posts: A lot.
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I got the full race with Aluminium Silencer from tyga-performance.com. At the time, there was a special and it was $290 but it $310 now.
It works for me, mainly because it's cheap. They also sell just the system without a muffler for $188. I don't know how this would compare to the stock system without the muffler.
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January 25th, 2012, 10:16 AM | #22 |
ninjette.org certified postwhore
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January 25th, 2012, 04:13 PM | #23 |
la pussy gata
Name: kit
Location: xx
Join Date: Jan 2011 Motorcycle(s): big wheel Posts: 540
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Thanks guys, starting to save money......now!
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January 25th, 2012, 07:13 PM | #24 |
ninjette.org guru
Name: andrew
Location: oakdale california
Join Date: Nov 2011 Motorcycle(s): 2012 ninja 250 Posts: 296
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Just to update.
I have the mgp growler slip on. (as said above ^ ^) Today I finally shimmed my needles and put two 3mm washers under each needle. It only took me like 2 hours, and I've never done anything like this before. The DIY's were super helpful! Anyways, my bike runs WAY smoother now, and sounds WAY better. It is a loud pipe, but I like it. Cant say i've seen performance gains though in regards to it being faster / more power haha. But it's fun! |
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January 26th, 2012, 12:21 PM | #25 | |
Milkshake Drinker
Name: Skippii
Location: Richmond, Va
Join Date: Aug 2011 Motorcycle(s): 2007 Orange DRZ400-S, 2005 Ninja 250 & Custom Thundercunt Dirt Chopper Posts: A lot.
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Quote:
Why do you guys let me sign on at 4:30am? Seriously, @Alex, you should block my access here when I'm too tired to read a thread....
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"What a sweetheart."- ninja_sleeper to me |
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January 26th, 2012, 12:49 PM | #26 |
CVMA #74 WSMC #750
Name: Nemesis
Location: On the track
Join Date: Oct 2009 Motorcycle(s): All of them Posts: A lot.
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Would running your bike without an exhaust can and/or headers decrease HP?
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January 26th, 2012, 01:32 PM | #27 |
ninjette.org certified postwhore
Name: dino
Location: Oceanside, Ca
Join Date: Nov 2010 Motorcycle(s): '09 250 Street, '09 250 Race, '13 300 Race Posts: A lot.
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Nem, can you imagine if all the 250s at CVMA sounded like Rexbo's bike....
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CVMA #55 |
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January 26th, 2012, 01:49 PM | #28 | |
Milkshake Drinker
Name: Skippii
Location: Richmond, Va
Join Date: Aug 2011 Motorcycle(s): 2007 Orange DRZ400-S, 2005 Ninja 250 & Custom Thundercunt Dirt Chopper Posts: A lot.
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Quote:
Posted via Mobile Device |
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January 26th, 2012, 04:21 PM | #29 | |
R&T Suspension
Name: K Hertell
Location: San Antonio, TEXAS
Join Date: Jun 2009 Motorcycle(s): Too many to list Posts: 175
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Quote:
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January 26th, 2012, 04:32 PM | #30 |
ninjette.org sage
Name: .
Location: .
Join Date: May 2011 Motorcycle(s): 2011 Ninja 250R SE GREEN! Posts: 562
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It goes in both.
But to be on topic, I have a full yoshi system with a carbon can and love it. It's wicked loud but it sounds good
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January 26th, 2012, 05:04 PM | #31 |
ninjette.org sage
Name: Steve
Location: Valdosta GA, US
Join Date: Jul 2011 Motorcycle(s): 2012 Ninja 250, 2006 Ninja ZX6R-636 Posts: 661
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I plan on going with Area P once my warranty runs out later this year. Will probably go with the 12" carbon standard setup and jet the carbs.
I do not plan on messing with the factory air box at all. |
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January 26th, 2012, 09:54 PM | #32 |
Milkshake Drinker
Name: Skippii
Location: Richmond, Va
Join Date: Aug 2011 Motorcycle(s): 2007 Orange DRZ400-S, 2005 Ninja 250 & Custom Thundercunt Dirt Chopper Posts: A lot.
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Okay, I oversimplified it a bit and left the crank out, since it doesn't really play much of a role in the combustion process, but still, It doesn't go straight from crank to exhaust--it still goes through the cylinder.
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January 26th, 2012, 10:00 PM | #33 |
ninjette.org certified postwhore
Name: Eric
Location: Murfreesboro, TN
Join Date: Jun 2011 Motorcycle(s): '13 300 Posts: A lot.
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This is setup I went with, however I did take the snorkel out of stock airbox and put a pipercross filter in!!
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January 26th, 2012, 10:57 PM | #34 |
ninjette.org sage
Name: Steve
Location: Valdosta GA, US
Join Date: Jul 2011 Motorcycle(s): 2012 Ninja 250, 2006 Ninja ZX6R-636 Posts: 661
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January 27th, 2012, 12:15 AM | #35 |
R&T Suspension
Name: K Hertell
Location: San Antonio, TEXAS
Join Date: Jun 2009 Motorcycle(s): Too many to list Posts: 175
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January 27th, 2012, 08:19 AM | #36 | |
CVMA #74 WSMC #750
Name: Nemesis
Location: On the track
Join Date: Oct 2009 Motorcycle(s): All of them Posts: A lot.
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Quote:
BTW, the HP key isn't in the exhaust can. Take is all. Can't reveal all my secrets.
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January 27th, 2012, 11:45 AM | #37 |
ninjette.org sage
Name: .
Location: .
Join Date: May 2011 Motorcycle(s): 2011 Ninja 250R SE GREEN! Posts: 562
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brb unbolting my exhaust for more HP
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Trust me, I'm a banana! |
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January 27th, 2012, 01:38 PM | #38 | |
R&T Suspension
Name: K Hertell
Location: San Antonio, TEXAS
Join Date: Jun 2009 Motorcycle(s): Too many to list Posts: 175
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Quote:
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January 27th, 2012, 01:46 PM | #39 | |
CVMA #74 WSMC #750
Name: Nemesis
Location: On the track
Join Date: Oct 2009 Motorcycle(s): All of them Posts: A lot.
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Quote:
The place I got mine dyno'd at read numbers lower than other well known shops. So, am I producing 30.5HP or 33.5HP? Catch my drift?
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January 27th, 2012, 08:38 PM | #40 |
R&T Suspension
Name: K Hertell
Location: San Antonio, TEXAS
Join Date: Jun 2009 Motorcycle(s): Too many to list Posts: 175
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