Tomei Timing Belt Guide 02-14 WRX / 04-21 STI | TB103A-SB01A RC350_2015-2022 Reduced turbulence and restriction compared

Reduced turbulence and restriction compared to OEM-style routing

Once stepping on the accelerator with this exhaust installed

0 pads give your vehicle the greatest stopping power and pedal feel without compromising ABS

25mm Intake: 264 Exhaust: 260 Duration @ 1

Tomei Timing Belt Guide 02-14 WRX / 04-21 STI | TB103A-SB01A RC350_2015-2022 Reduced turbulence and restriction comparedProduct Fitment: 02 14 WRX 04 21 STI 04 06 Baja 04 13 Forester 05 09 Legacy Outback Horizontally opposed engines combust structurally at 180 degrees; increasing the chances of the camshafts not performing at their maximum lift. Because of this, installing high lift camshafts in these engines may create unnecessary belt vibration leading to the pulley spinning off the rotating assembly. Without the pulley in its rightful place, the valves and the