Hedman Header Reducer - Tube Size: 3 in. 111009 Speedometer Recalibration For Gear/Axle Swaps

Speedometer Recalibration For Gear/Axle Swaps Based On Fitment

It does NOT fit aFe POWER Momentum intake systems

1965-1981 Oldsmobile Cutlass

Pro-Series features an indestructible electroless nickel finish

upgraded processor

Hedman Header Reducer - Tube Size: 3 in. 111009 Speedometer Recalibration For Gear/Axle SwapsHedman Hedders 3" Ball And Socket Style Header Reducers 3" Exhaust System; Mild Steel Hedman's Ball & Socket style hedder reducers are for use on Hedman Hedders with a ball style collector. The Ball and socket configuration is a durable, gasket free design. These ball & socket style reducers do not have built in O2 sensor bungs. If you require O2 bungs, we recommend the use of Hedman's O2 Sensor reducers. SOLD in PAIRS. Hedman Hedders Hedder Reducer