Looks & sounds great. Installs in minutes. Definitely a much needed upgrade for any stock pipe bike.
Dr. D Slip-On Exhaust With Spark Arrestor
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Awesome pipe an great price fast shipping just an all around great company .
Amazing sound!!!! it is loud but it is not obnoxiously loud. i believe it sounds much better than any other exhausts for 2006 yfz450. i have not had a chance to actually get out and ride with it yet but am looking forward to it. i love this muffler, plus it looks awesome
This pipe rips on my 08 yfz 450. It has an awsome low roar. You can hear it a mile away. It gives you alot of juice when you crack the throtle compared to my buddies FMF pipe.I love it!!
After first day of riding fibers from the muffler packing were exposed in the front and rear of the muffler. The muffler decal was discolored undoubtedly from heat but the muffler itself remains original aluminum color. Emailed Dr. D Tech and Sales with no response from either department. Of course, the slip on provides good power increase over the stock Kawasaki KFX450 muffler. It's never a good sign of a reputable company when they don't respond to a customer's concerns after one day of use. The only Kawasaki upgrades are to the air filter, Procomm ECU set to richest setting, and slip on muffler. This was not a case of running too lean but poor muffler packing and end seals. I want to add the head pipe but will there be a defect in the quality of their pipes also? Now I have to repack a brand new $300 muffler and attempt to improve a defective seal all because the company's quality control is significantly lacking. Truely disappointing.
awsome sound great low end power gains i would highly recomend this
got my dr.d a few days ago and bolted it up right away. looks great and gives you that umph that your looking for. only problem was for about the first five hours the packing came out the back. after a repack it all stopped. overall awesome pipe for the price
I have an 05 yfz 450 with an 07 crank and a ported and polished head, I recieved my new drd slip-on a couple of days ago. As soon as I pulled it out of the box I said (wow!). This thing looks great and it is built very well. The fit and ease of installation was great, it bolted right up. There were also new bolts and spacers supplied with the exhaust. It looks great on the bike, and has that deep throaty sound everyone is looking for but, not too loud. I have not rode the bike with this exhaust yet (due to the great weather we've been having) but, when I do I will write another review. So as of now I would reccomend this exhaust to anyone... Great work DRD.