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1,088 Posts
Hello
I'm finally getting my SPORT-tour ST4s near completion and before I pack it down to get the dyno-tuning done, was wondering if anyone had any knowledge or experience with the TPO velocity stacks.
They look nice, although they will be hidden beneath the K&N, and the extra length does make sense for a little more torque and wider power band.
I'm just thinking $250 is steep for well-hidden bling, if that's all they amount to. But, if they really do have something to offer, I would hate to get everything set-up and then find out that I should have considered them.
The heads have been fully breathed-on by Guy Martin of MBP, with larger valves, porting, etc. and the engine has hi-comp Pistals with head-cylinder mating by Mark Sutter of the Ducshop.
Any info or suspicions, pro or con, would be greatly appreciated...
I'm finally getting my SPORT-tour ST4s near completion and before I pack it down to get the dyno-tuning done, was wondering if anyone had any knowledge or experience with the TPO velocity stacks.
They look nice, although they will be hidden beneath the K&N, and the extra length does make sense for a little more torque and wider power band.
I'm just thinking $250 is steep for well-hidden bling, if that's all they amount to. But, if they really do have something to offer, I would hate to get everything set-up and then find out that I should have considered them.
The heads have been fully breathed-on by Guy Martin of MBP, with larger valves, porting, etc. and the engine has hi-comp Pistals with head-cylinder mating by Mark Sutter of the Ducshop.
Any info or suspicions, pro or con, would be greatly appreciated...