I was running the fast intentions long tube headers, I highly recommend them. To me they made the car. Mine are also for sale :tiphat:

How much

I am one of few that went MD route, the build is of high quality, and the sound with Helmholtz res is awesome, also made great gain by the word of my tuner compared to other Zs he had tuned specially the torque gained. I think I need to dyno the car with one of my friends the same day, he installed Gen3, FI LTH and HKS Hi power to check power difference.

http://www.the370z.com/3671065-post365.html

Doing a dyno now would not be helpful...
Only way to get true reading to see what gains they made would have been to do a before install and after install dyno without tune..

Z1 shorty all day and go Noles!

I used Z1 shorty headers..the quality was impressive. I had them ceramic coated..shame they were very pretty but wanted to control the heat. They may be worth waiting for over the Stillen headers based on what I have read.

Running Motordyne Shockwave catback w/ Stillen Gen 3 intakes. Motordyne long tube headers is next in line. Resonators or no resonators?