This pair of Southwest Speed Performance Long Tube Headers offer an immediate increase in performance by eliminating backpressure
THANKS TO COMPUTER-CONTROLLED VALVES THAT LIMIT NOISE DURING LOW-SPEED DRIVING AND OPEN FULLY DURING HIGH-LOAD CONDITIONS TO ALLOW FREE FLOW
Stock 20s can be reinstalled with factory tire size
DO NOT SETTLE FOR A FACTORY ECU WITH A CUMBERSOME TUNING INTERFACE WHEN YOU CAN HAVE TECHNOLOGY OF HOLLEY EFI
READ& CLEAR DIAGNOSTIC TROUBLE CODES
AXLE,WIDE 5,DRILLED,31 SPLINE,33 1/2" Mesh Type Nets 18" X 22" This pair of Southwest SpeedWIDE 5, HIGH TORQUE, HEAT TREATED RACING AXLE 33 1 2" IN LENGTH 31 SPLINE INNER X 24 SPLINE OUTER STRONG GUN DRILLED CONSTRUCTION POLISHED INTERNALLY & EXTERNALLY TO RELIEVE STRESS SOUTHWEST SPEED 5X5 AXLES STEP UP ON THE DRIVE PLATE END ABOUT 4" FROM THE SPLINES TO 1 3 8" IN DIAMETER, WHILE WIDE 5 AXLES HAVE ONE DIAMETER FOR THE COMPLETE LENGTH OF THE AXLE