Toyota 86/Subaru BRZ FA20 Exhaust Titanium Manifold .
The AM Performance 4-2-1 type .
Titanium manifold without the catalyzer provides both more torque at middle RPM and more peak power for high RPM .
Also 1.8 Kg of weight shave few kilos compare to standard manifold or even s/steel give you better performance as well .
AM Performance manifold is Australia made . hand crafted and comes with life time warranty.