Magnolia Diesel Performance Share: Automotive Services & RepairAutomobile Dealers Magnolia Diesel Performance Visit Website 40905 FM1774 Magnolia, TX 77355 (866) 250-9878 Rep Info Map Whom to Contact Mr. Chris Blair Phone: (866) 250-9878 Send an Email Mr. Justin Loparo Phone: (866) 250-9878 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.