4.5" Torque Factory MAF Assembly with Coupler and Filter

4.5” (114mm) diameter all in one MAF and intake including air filter.

Restrictions are reduced compared to 85, 95 and 102mm systems. 

Reducing restriction lowers the compressor pressure ratio at the same boost.

This system outflows everything on the market.

Tested and able to maintain stable idle and good part throttle characteristics.

Massive air filter made to our specifications.  This filter has an Internal rolled edge to promote smooth air flow.  Internal stop to ensure the tube is correctly positioned inside the filter.

Made in the USA from mandrel bent 6061 and billet Aluminum. 

Premium clamps and Thermoflex couplers are included.

This product is sold for racing use as well as use on vehicles not registered for on highway use. It is not legal for use on emissions controlled highway or street vehicles.