Giant

The xr6T/xr8 snorkel has a larger mouth but same size pipe connecting it to the air box, so its the same size restriction as the stock upper snorkel. Regarding oil, I use Nulon 15w 50 Street and Track and I am making 163rwkw BA Falcon 6cyc NA Auto.

Tuning options: XCAL 2 unlocked, generic or custom tune SCT XCAL 3 unlocked, generic or custom tune VCM Suite tune Sniper box, generic or custom tune XCAL 1 boxes are outdated and tuners are unable to upload tunes to it. Some tuners can download the old tune via VCM suite, but you it will be missing some parameters.