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View Full Version : what is best exhaust for a 400ex



rickmanrider
02-20-2006, 02:18 PM
i just got a 2003 400ex and dont know witch exhuast to get.

i want the good stuff.

ZeroLogic
02-20-2006, 02:57 PM
Sparks or HMF.

hotrodhonda400
02-20-2006, 04:20 PM
DR.D;)

ohsobad_chevy
02-20-2006, 05:29 PM
HMF all the way. I got a 04 400ex and i put a HMF full system sport series on my quad, and i was really happy with the results.

My 2 cents.

400exstud
02-20-2006, 07:05 PM
My vote goes to HMF. If you are really bored go to the 400ex section and read the sticky at the top of the forums that talks about 400ex pipes.

rickmanrider
02-20-2006, 08:18 PM
thanks for you edvis about the exhuast what do you think of the LRD system.

humblesquirel21
02-20-2006, 08:27 PM
yosh all the way love mine

Ridered416ex
02-21-2006, 08:08 AM
i have a curtis sparks and it is great and i also have a custome made R4 shorty for mx. But i also heard a good combo is a full HMF or a fmf powerbomb header with a hmf slip-on

TRX23rider
02-21-2006, 09:05 AM
yeah i have the hmf slip-on and fmf powerbomb header and i really like it!

02-21-2006, 09:13 AM
dirt wheels mag did a shoot out and white bros e-series won.

white bros was a couple points less hp than ctracing

coryatver
02-21-2006, 01:54 PM
that was like 5 years ago:o

440_Turtle
02-21-2006, 02:08 PM
Originally posted by yamaha yz426ex
dirt wheels mag did a shoot out and white bros e-series won.

white bros was a couple points less hp than ctracing


yeah but e-series is to obnoxious for me, i liek teh throaty thump the sparks and hmf give you

SLSD400exGUY
02-21-2006, 02:29 PM
HMF! i have one.. works great big power gain!

stc416rider
02-21-2006, 02:47 PM
wat about a pro circut t-4 i was thinkin of buyin 1

400exstud
02-21-2006, 03:50 PM
T-4 is good but there are better ones for the money. I would get a more "racing" exhaust such as HMF or Sparks.

weekendracer91
02-21-2006, 04:34 PM
Originally posted by rickmanrider
thanks for you edvis about the exhuast what do you think of the LRD system.

lrd raises the horsepower the most and it sounds excellent

i like how it points at the ground

humblesquirel21
02-21-2006, 05:56 PM
i can rember when hmf was the new kid on the block now every one loves them i think thats really cool :)
does the power bomb header actualy give a noticable increase compared to other pipes??
not that i doubt it i really like it if they made it for the 300ex i would have bought it but i was wondering if i was just got in the power bomb sales pitch

fatkid400
02-21-2006, 10:38 PM
Ive got a hmf forsale if you want it 210 shipped. let me know.

02-22-2006, 06:40 AM
i think dirt wheeles should do a nuther test for the 400ex.

rcrc32500
03-02-2006, 09:34 PM
I highly recommend Barker's Performance Pipes from EXTREME-TEC ATV in Mt. Gilead, OH.

Give Jeff a call at 419-947-9208 or check out their website www.extremetecatv.com

Tell him KYLE MCKENZIE told you about the pipe - he just might cut you a deal LOL!