OK guys and gals....
I already have the Ness AC and yesterday I ordered the Decated header from Wild Pig pipes.
The question is, will I have to add a tuner or will the bike compensate, I plan on running the stock pipes if it sounds ok.
To be different I ordered the 2010 2-1 header to eliminate the crossover and left pipe.
I was always one of the odd ***** that liked the 2010 SG with the one pipe.
The price was $150.... $50 of it was core charge, I send them back my header and I get the $50 back.

 

Get it tuned!!

 

Taking the cat out shouldn't change much but hopefully you did something as far as tuning when you put the A/C on it. That's a much bigger change than removing the cat. At minimum I would suggest the stage 1 download if you dont have it already.

 

I don't know a lot about these fi bikes,but I can tell you that the 2-1 is a BIG change from stock exhaust,you WILL have to get it tuned.