[Guest]

Rough Estimate

Dynoed 12/16/00 at 12:40pm (posting the dyno chart asap)

S/R Stock Header/UDP Net Gain
RPM HP/Tor HP/Tor Hp/Tor
--------------------------------------
3500 072/110 080/115 8/5
4000 080/112 086/115 6/3
4500 096/112 100/115 4/3
5000 113/116 118/118 5/2
5500 119/115 123/119 4/4
5750 110/095 121/107 11/12
6000 105/090 120/107 15/17
6500 101/083 116/095 15/12
6750 090/075 113/084 23/09

 

[Guest]

who makes these?

 

[Guest]

www.fzracing.com you gain 23 horse and 9 lbs of torque overall

 

[Guest]

I tried the site but it's under construction.