JUNKYARD TURBO LS BACK PRESSURE TESTS (HOW TO: MAKE MORE HP)

MORE PSI = MORE HP!! WHEN CAN LESS BOOST = MORE HP? WE ALL KNOW MORE BOOST EQUALS MORE POWER, BUT WHEN CAN LESS BOOST, AND MORE BACK PRESSURE, ACTUALLY TRANSLATE INTO MORE HP? CHECK OUT THE RESULTS OF THESE TWO TESTS RUN ON MODIFIED TURBO LS MOTORS. TEST WAS A POST-TURBO EXHAUST UPGRADE, WHILE TEST 2 WAS A CYLINDER HEAD UPGRADE. CHECK OUT WHAT HAPPENED TOT HE BOOST AND BACK PRESSURE CURVES WITH EACH MODIFICATION! TURBOS RULE!!