Hello, im after a little help if anyone know's, iv fitted a boost gauge to my GT TDi MK4 PD150 gauge mounted electric's done but unsure with to tee in to? the kit came with a 4mm tee piece iv been told it's the main pipe (intercooler) but iv also been told i can tee in to one of the 3 smaller pipes that run along the bulkhead but no one seems to no for sure. any advise but we sweet.
thank's Andy.