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Erts400ex
12-11-2005, 06:48 PM
has anyone done a slip-on or full exhaust for a honda 250ex if so what kind of power difference did you see?
250expro
12-14-2005, 04:34 PM
i know dmc has came out with it, i dont know if it is slip on or a full
250ex>Civic
12-14-2005, 06:24 PM
I have a full Pro Circuit T4 system and with proper jetting it made an incredible difference. Tons of low end torque, more than my brothers 300, insane throttle response. I HIGHLY recommend it, numerous magazines have rated it the best for 250EX
300ex13
12-14-2005, 06:48 PM
if you buy and exhaust only get a slip on its cheaper and before long you may be wanting a bigger quad i kno i was gonna mod my 250 and then it started to get really boring and i saved up some money and my dad bought me a 300 and i paid him back some of what i owe him...in other words if u wanna mod the 250 go ahead but id save up for a bigger and a more fun quad
BlasterEaten250
12-15-2005, 03:18 PM
Seeing it's an '06, I don't think he will be selling it anytime soon. Most people will tell you the hmf system is the best. So that is what I will say.;)
mustang25
12-17-2005, 05:31 PM
anyone know if a dmc competition exhaust will fit an 06 trx250ex
KingpinsEx
06-03-2006, 07:04 AM
Do you really need to rejet a 250ex with only a slip-on? It seems to run fine.
sixer3
06-03-2006, 09:43 AM
Originally posted by KingpinsEx
Do you really need to rejet a 250ex with only a slip-on? It seems to run fine.

you may not NEED to, but the only way to see any power increase is to jet it, leavinmg it alone is just leaving your quad the way it was, no more powr, possibly less, because the pipe is probably causing a lean condition without the addition of fuel....

answer: YES
ryanh250ex
06-03-2006, 11:45 AM
I've had the T-4 longer than probably anyone else on here (4 years) , and i can vouch for its performance.


get either the HMF full system or T-4. you wont regret it.
hybrid_hatch
06-03-2006, 03:04 PM
I have a 06 with a HMF full system great product and sounds so clean!
PowerJunkie
06-04-2006, 09:09 PM
whats your plans for the quad?
krt400ex
06-13-2006, 03:56 PM
Originally posted by KingpinsEx
Do you really need to rejet a 250ex with only a slip-on? It seems to run fine.


I put a slip-on on my 300 and it seemed to run fine too. Then I jetted it and got a huge increase in power. jet it and remove the airbox lid, you'll be amazed at the difference.