Thursday, January 19, 2012

Typical displacement/ HP gain/loss from aftermarket pipes.?

Im looking to find the stats on Vance and Hines Cruzer and Cobra 2 into 1 Powerpro HP pipes. as much info as possible. I have the prices but im trying to find more stats.Typical displacement/ HP gain/loss from aftermarket pipes.?
Good luck. Stats on bike mods are hardly ever given. Bikes have fairly simple, short exhaust systems. There usually isn't a lot to be gained. Often, bikes lose a little, but not always. Anyways, it is all pretty anecdotal since the exhaust makers don't put any info out.



Displacement is a factor of engine geometry. It is calculated as the volume of the cylinder that is "bore" in diameter and "stroke" in height, times number of cylinders. Exhaust doesn't change that.



Exhaust on bikes is often changed because the old one rusted out (not so much these days), or the user likes the look and/or sound of the new pipe. There just isn't a whole lot of performance to be gained with it on a modern car, much less a modern bike.



Now, tell us what kind of bike you are talking about.Typical displacement/ HP gain/loss from aftermarket pipes.?
Your Aero is a 750cc, so it has maybe 40 or 42 horsepower. If you get 3 more horsepower with the new pipe you will be lucky, as most V-twin pipes are not sold on performance, more looks or sound. With your other changes maybe a bit more power. You will likely notice the difference, but its not going to blow your socks off. But hey its a good bike, plenty of power, and if you like the new pipes and other changes to make it YOUR bike go for it. If you need 100 hp, look for a much bigger bike.

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