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View Full Version : WB R4 slip on


user101
04-21-2002, 08:30 PM
i am planning on buying this pipe in the near future and was wondering if anyone else has it. if you do what kind of power increase did you gain. also where did you get it at and how much did it cost. remember i am just getting the slip-on.:)
Honda250XRacer
04-22-2002, 01:32 PM
I have one it sounds great and great power with it too see ythe bottom read :D :D
Honda250XRacer
04-22-2002, 01:37 PM
actully i have 2 of them one on my 400EX and on my 87 250X

they give you awsome power on the bottom threw the mid end power they are a racing pipe made mostly for bottom to mid end engine power so i would get it if i were you youll be sadisfied
:D
400exJOE
04-22-2002, 01:38 PM
Go to Marcum's ATV in the links page. Its one of the site's main sponcers. They recomend the yoshimura and E series over the R4. They all run in the $220 price range and you get 5% off and free shipping. I would deffinatly give them a call. Ask for Terry.
Honda250XRacer
04-22-2002, 01:39 PM
it gave me about 5- 10 more horse power
04-22-2002, 02:25 PM
Originally posted by Honda250XRacer
it gave me about 5- 10 more horse power

You might have got 3 or 4,,not 10. I didn't even get 10 with a big bore and cam,,,It' might feel like 5 - 10,,but it's not. Average pipe, K&N filter, rejet, modified airbox,,will maybe get you 4 HP at most or around there.