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procircuit406ex
06-16-2006, 05:05 PM
what is the difference between X-6 and X-4?
bmurray
06-16-2006, 05:32 PM
x-4 is a low-mid range pipe, where as the x-6 is a mid-top end pipe. this is not to say you don't gain low end with the x-6 but not as much as the x-4. Check out www.sparksracing.com for more details. Matt at eastcoastatv.com is a good guy to order a Sparks from. He will answer all of your pipe questions. Good luck
procircuit406ex
06-16-2006, 07:10 PM
Originally posted by bmurray
x-4 is a low-mid range pipe, where as the x-6 is a mid-top end pipe. this is not to say you don't gain low end with the x-6 but not as much as the x-4. Check out www.sparksracing.com for more details. Matt at eastcoastatv.com is a good guy to order a Sparks from. He will answer all of your pipe questions. Good luck

thanks man!!!:cool:
300ex mxracer
06-16-2006, 09:07 PM
x-4 is normally for 300ex, x-6 is 400ex, 450r, etc...
krt400ex
06-18-2006, 06:02 PM
Originally posted by 300ex mxracer
x-4 is normally for 300ex, x-6 is 400ex, 450r, etc...

then why do they sell the x-4 for the 400ex. that don't make sense to me. bmurray is on the right.
300ex mxracer
06-18-2006, 06:10 PM
right off sparks website.

The X-4 is designed for engines displacing 250-345cc.

The X-5 is designed for engines displacing 346-385cc.

The X-6 is designed for engines displacing 386-425cc.
krt400ex
06-18-2006, 07:41 PM
Originally posted by 300ex mxracer
right off sparks website.

The X-4 is designed for engines displacing 250-345cc.

The X-5 is designed for engines displacing 346-385cc.

The X-6 is designed for engines displacing 386-425cc.

that is in the 300ex info.

Right off the sight(it's my homepage)

x-4 gives you a little more bottom end

x-6 gives u a little more top end.

check in the 400ex section and u'll see that i'm correct. u're talking about the 300ex section.
300ex mxracer
06-19-2006, 01:55 PM
o ok ive always been told that x-4 is 300 x-6 is 400, 450.
krt400ex
06-19-2006, 06:19 PM
Originally posted by 300ex mxracer
o ok ive always been told that x-4 is 300 x-6 is 400, 450.

relized that i might have been a little snotty in how i stated that, sorry. just trying to teach and learn like everybody else