aluminum pro II

Those of you that are using this pipe how do you like it. I had a dr. D on my 426, but i was thinking of the aluminum pro II on the 06 450. I had no complanits with the Dr.D.

I have one on my 05 yz250f, and i love it. It is the best mod i have done to my bike. I saw gains everywhere in the rpm range, and it looks sweet. I had one on the 03 so when i bought the 05, i had to buy another one. The only thing is it is kinda a hard pipe to jet correctly, but once its dailed it flat out rips!

I have the Carbon pro on my '05 and its the best pipe I have ever owned.

I also have a Carbon Pro-2 on my 2006 YZ450F and love it. I have also had an Aluminum Pro on my 2004 YZ250F and also loved that!!! Power gains were smooth yet noticable!!!

I have one on my 03 and 06 - in my opinion the best pipe out there - power everywhere and you can change the end tip for a bigger hit with the smaller diameter end tip

no need to loosen the headpipe to get to the oil filter bolts !

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