What length exhaust springs do i need for fmf fattys pipes?

[rockenshee]

What length exhaust springs do i need and how many do i need for fmf fatty pipes can i use the springs of the stock pipes or which brand is good to use raven?

[Phelps]

stock...... if the springs are loose it's time to buy new one's they are 6 buck at the dealer.

[shawn941]

What length exhaust springs do i need and how many do i need for fmf fatty pipes can i use the springs of the stock pipes or which brand is good to use raven?

boght some off ebay,,,stainless steal and fit tight. also cheap as hell for springs. should tell you what pipes they fit,,,the listingdid for mine and i run fattys as well

[06specialedition]

I think FMF makes springs.....