aFe 15-19 Subaru Outback H6 3.6L Silver Bullet Throttle Body Spacer Kit M4 [F82 | F83] This BORLA® dual system even

This BORLA® dual system even exhibits better fuel economy numbers which is nice for a big truck

1" WB vehicles

Since its introduction in 2010

Package Contents: One engine trunk hood

aFe 15-19 Subaru Outback H6 3.6L Silver Bullet Throttle Body Spacer Kit M4 [F82 | F83] This BORLA® dual system evenThe Serrated Helix combination design creates intake turbulence in the combustion chamber. This turbulence breaks up the fuel which creates a more complete combustion cycle increasing horsepower, torque and improving throttle response. The Serrated Helix combination design also reduces intake whistle that occurs with Helix only designs. All Silver Bullet Throttle Body Spacers are constructed from 6061 T6 billet aluminum precision machined for light