[roadracer]

I'm looking for headers and high flow converter for my GTO. Has anyone on this forum installed any yet and could you recommend a manufacturer?

 

[GasTiresandOil]

Stainless Works
DynaTech
Kooks (in development)
JBA shorties :shutme

All are slightly different and all have tolerances that vary. JBA's are a waste of time and money, JMO.
To install the long tubes, one will have to drop the rack and pinion steering box to install them from underneath the car. It takes time but is not that hard. Afterwards you can arty