aFe MagnumFORCE Spare Parts AIS Coupling Reducer: (3-1/2 x 2.80)ID x 2L

This MAF adaptor allows for the use of the high performance Euro MAF sensor on US domestic market (USDM) E36 M3. Made of 100% polyurethane, this adaptor has a stainless steel sleeve in the adaptor neck for added rigidity. This coupler inlet diameter is 88.9mm that matches the Euro MAF and reduces down to 71.1mm to match domestic throttle bodies.

Magnum FORCE Cold Air Intake System Spare Parts Kit (3-1/2 IN ID to 2-3/4 IN ID x 2 IN L) Straight Reducing Coupler - Black

aFe MagnumFORCE Spare Parts AIS Coupling Reducer: (3-1/2 x 2.80)ID x 2L

Magnum FORCE Cold Air Intake System Spare Parts Kit

SPR; AIS Coupling Reducer: (3-1/2 x 2.80)ID x 2L

Stainless Steel Sleeve In Adapter Neck

Magnum FORCE Replacement Coupling Kit

(3-1/2 IN x 2.80 IN) ID x 2 IN L

Intake Coupling Kit

100% Polyurethane

Hose Reducer