Car: 94 Mustang GT 5 Speed. BBK Headers Gt40 Tubular Intake Factory converters (known good) Timing 10º BTDC (Spout Out, advances when in) Plugs, wires, ect all good No codes, or check engine light Passes KOEO, KOER and Cylinder Balance Test Car runs perfect. First test; EMISSIONS PASS VISUAL FAIL BBK FPR not legal (my fault, should have changed it. Intake manifold not legal (told them it was factory that I painted, problem solved) Ok, go home and throw the stock fpr (been sitting in a box for over a year) back on and retest. VISUAL PASS EMISSIONS FAIL High NO at 25 mph So my question; Bad FPR? I've not had a chance to check fuel pressure yet. Had to get to work.