Exhaust Systems and Performance: 2-into-1 vs. 2-into-2

[JizzTasticGaming]

im going to get a triumph thruxton

should i get 2-1 or 2-2?

[galemk1]

@JizzTasticGaming From that i'v watched i think that 2-2 is for top speed 2-1 is for acceleration. Your choice.

[hutch1200]

My '04 FXDL agrees. I went from 88hp to 106hp by switching from V&H short shots to a White Bros. 2:1 w/22 "diffuser plates". That's w/HTCC heads/pistons, S&S 625g gear drive cams, 48 Mikuni, and full roller bits+ etc..But yes, steep hp/tq curve, long plateau @100hp...until it starts to drop off @ 6700 rpms. Downside? W-Bros is gone, and the bike vibrates the long muffler off. Come to think, it tries to shed lots of parts! My guess is to use the 2:1 header from anybody, and a supertrap muffler.

[GulfSouthGene]

Thaks Brian, That's what I an interested in. I have a 96 C.I. , Touring, with a Samson 2/1. Never Dyno, but engine performance seems improved. This explains why. Like your Discussions.

[Spencerian]

Nice Job. :)

[modeif]

good info