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View Full Version : dr.d vs. pro circuit


much2fear89
10-23-2004, 07:16 PM
What do you guys think is a better slip-on for a 400ex. The Dubach Racing, or the Pro Circuit T-4
Florida400EX
10-23-2004, 08:12 PM
dr. d
much2fear89
10-25-2004, 12:23 AM
Why is the Dr.d better?

How loud is it compared to the T-4?
huffdaddy_400EX
02-25-2005, 12:01 AM
I have the DR.D on my 400ex. You can get the quite core insert if you're worried about sound level. You'll take a little power hit but it's worth it to save your ears.
sampleez
02-25-2005, 04:29 PM
i just got a Drd on my yfz and it rocks!!! i've rode a few of yfz's with a hmf slip-on, and mine feels stronger for sure, and it's quite a bit quieter. i got mine from rs performance on yfzcentral.com for 220 w/out a sparky.