New Mods Dyno Results (Art pipes, Takeda, Custom Headers by Speed Force Racing, UPREV

chrischhorn

Holy mother of torque....Most people have high power or high torque. You have the best of both worlds! From the looks of it, Z1 better get those headers out QUICK or Speed Force Racing will be taking all the shorty header buyers very soon.

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R.I.P. 8/01/13 1SlowZ
One day I'll have another....

UFreefer

Yeah I had quite a grin on my face when Derek and I datalogged the car on the street after getting it off the dyno. The torque was completely night and day compared to before. The peak gains are awesome but the midrange gains make spirited daily driving the car so much fun. I'm excited to get the Michelin SS's on the car soon....the extra grip and lighter tires should make it even better.

I'm not sure what the cost of the headers would be. Mine were technically custom, he had never made headers for a 370 before. I know he makes them in-house and he made a jig so making additional sets should be easy. I would just reach out to him and tell him that you saw Phil's results on the forum and see what he could do. I don't want to break any rules since he's not a forum sponsor but maybe he can do group buy and become a new sponsor.

Megan370z

a quick guess without accounting for research and developpment .

burns collector sells for 530$ /pair
head flange probably around 120$ pair
TP/Cat flange = 40$
3 hours of tube prepping and welding for each side ( here rate goes about 75-110$hours ... so lets say 90$ x 6 hours = 540
then the mandrel bent tubbing a rough estimate of 100$side = 200$ /pair

all added up come to about 1430 $ + makeup ofcourse !
from the picture you posted, there is a couple spots where they could improve them even better
I shouldnt be too far off on the price

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