LOW COST-BIG BOOST! BUILD IT YOURSELF! FULL RESULTS. STOCK LS MANIFOLDS. CAN YOU REALLY BUILD A TURBO KIT THAT WORKS? CHECK OUT THIS VIDEO WERE I (ACTUALLY JFAB) BUILT A SINGLE TURBO KIT USING THE STOCK 5.3L TRUCK MANIFOLDS. ALL YOU NEED IS A Y-PIPE TO COMPLETE THE SYSTEM AND THE WRECKING YARDS PROVIDES THE HARD-TO FIND PARTS. ADD THE TURBO SIZE FOR YOUR POWER NEEDS-AND AWAY YOU GO.