DO CHEAP, EBAY LS TURBO HEADERS MAKE POWER? WHICH ONE MAKES MORE POWER, CAST IRON HOOKER LS TURBO EXHAUST MANIFOLDS OR E-BAY TURBO HEADERS? HOW MUCH BACK PRESSURE IS TOO MUCH? WILL BACK PRESSURE REDUCE HORSEPOWER? HOW MUCH IS A TURBO CAM WORTH? HOW TO MEASURE BACK PRESSURE. CHECK OUT THIS COMPARISON BETWEEN A SET OF HOOKER CAST-IRON, SINGLE TURBO MANIFOLDS AND THE TYPICAL, CHEAP, E-BAY TUBULAR TURBO HEADERS. WHICH ONE MAKES MORE POWER? WHICH ONE HAS HIGHER BACK PRESSURE? ALSO TESTED STOCK CAM VS BTR STAGE 2 TURBO CAM AND NA VS TURBO ON A 5.3L LS.
