My 2007 Heritage Classic has V&H longshots and I like the look and sound of them.
I'm planning my 107" motor, which includes head work, cams etc. and not sure if they will cost me a little, or a lot in HP & TQ. Anyone running these pipes on a big inch motor and maybe have an opinion or dyno numbers to share. ? Any suggestions would be appreciated.

 

More perfomance from the 2 into 1s, but I'll leave the details to those running a similar setup to what you'll be running.

 

IMO I would run whatever exaust you want to unless you are stuck on racing the dyno numbers of which pipe produces the most torque or hp. I run shortshots for the looks and sound. I give up some but I just don't care about that. It seems like everyone's going with 2-1's yes they do make more hp and torque and the power comes in at a lower rpm, but I've seen the numbers on a Nightrain pull 124 hp with the same pipes