BOOST BUILT-LOW BUCK, TWIN TURBO LS KIT-STEP BY STEP, TIL IT RUNS! EVER WONDERED HOW TO BUILD A DIY LS TURBO KIT? HERE'S HOW! USING STOCK TRUCK MANIFOLDS, HERE IS HOW I BUILT A TWIN TURBO KIT TO RUN ON A 4.8L. THE KIT WAS DESIGNED TO ACCEPT T3-T6 TURBOS, SO YOU CAN INSTALL WHAT SIZE YOU NEED. THIS 4.8L WAS RUN WITH GT3582s. CHECK IT OUT.