• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

How much HP do headers add....



depends on your other mods. headers will shift your powerband into the higher RPMs so gettin to 6k becomes easier but a little low end torque is sacrificed, but its hardly a difference. it is a flow mod so it inceases your acceleration more than anything
 
on a bolt on car with a 3.4 pulley expect to see about 20HP to the wheels, with a tune of course
 
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