T1 Race and Development - GT1R Exhaust Back Pressure Damper Kit for Nissan GTR R35 VR38 Include Racegrade 100A Sensors & Line Kit?:Yes (+$503.06) Reasons you want this manifold

Reasons you want this manifold and not the other garbage out there:

0L - 6 Cyl - DOHC 24 Valve (2JZGE - 2JZGTE)

Intake Plenum Gasket

These camshafts have proven power gains of 40-70 WHP (depending on turbo) with minimal modifications including re-shimming and mild tuning

T1 Race and Development - GT1R Exhaust Back Pressure Damper Kit for Nissan GTR R35 VR38 Include Racegrade 100A Sensors & Line Kit?:Yes (+$503.06) Reasons you want this manifoldT1 Race and Development GT1R Exhaust Back Pressure Damper Kit for Nissan GTR R35 VR38 Quick Overview Monitoring exhaust back pressure is one of the most useful things you can do on a turbocharged engine. Exhaust backpressure allows you to see a variance bank to bank (can be caused by boost leaks, wastegate problems, turbo problems, etc), allows you to see how well your turbine housing wheel is sized for what youre doing, and allows you to monitor when