improving throttle response and reducing turbo lag.
What’s TMS? GFB’s Turbo Management System is the term we apply to our diverter
valves that have features designed specifically for the purpose of turbo lag reduction.
Tests show that TMS features can return the engine to peak boost up to 30% faster than
a factory diverter valve when shifting gears.
The Mach 2 is configured as a 100% recirculating valve (i.e. bypass, plumb back) and
add on kits are also available to convert to 100% atmosphere venting. Use the
recirculating model for direct factory replacement when you want the performance
WITHOUT the noise! Add the conversion kit when you want some noise with your