This video details a fun and affordable DIY project to create a four tire inflation / deflation system specifically designed for my 3rd generation 4Runner (but can be easily adapted for other vehicles).

Links to all the parts used in the project are below.

FYPower Air Hose Fittings, 7 Pieces 1/4" NPT Aluminum AMT Universal Air Couplers and I/M Industrial Type Air Plugs Kit, Green https://a.co/d/7XXPyNG

1Pcs Brass Air Inflator Adapter 1/4 NPT(M) to Standard Schrader Valve(M), Tank Valve,Tire Inflator Connector for Auto Portable Air Compressor/Pump, Air Hose, Air Chuck https://a.co/d/7efiajy

Qovydx 40Pcs 10.3mm12.8mm Single Ear Hose Clamps 304 Stainless Steel PEX Cinch Clamps Stepless Cinch Crimp Rings Pinch Clamps for Pipe Fitting Connections https://a.co/d/iEWKHbh

Uharbour Air Manifold with 160 Psi Liquid Filled Air Pressure Gauge, 3Way Air Hose Splitter with 1/4" NPT Quick Connector and 1/4" NPT Brass Valve, 4 Tire Inflation System DIY Component https://a.co/d/aZB4Lr5

Flexzilla Pro Air Hose Reusable Fitting with Swivel, 1/4 in. RP900250S https://a.co/d/imFRdMs

UHARBOUR Glycerin Filled Pressure Gauge with 304 Stainless Steel Case, 2.5" Dial Size, 060Psi, High Accuracy, 1/4"NPT Center Lower Mount with Single Scale (psi).…… https://a.co/d/cGVzMIL

Air Chuck for Tires, Anti Leakage Lock on Air Chuck 1/4'' FNPT Locking Tire Inflator Chuck Quick Connector Lock Air Chuck Heavy Duty Brass Tire Chuck Closed Flow for Air Compressor (4 Pack) https://a.co/d/80RLL9X

Legines Barb Tee, 1/4" x 1/4" x 1/4" Hose Barbed T Fitting, Brass 3 Way Union, 2 pcs https://a.co/d/igo7f1m

Flexzilla Air Hose 1/4 in x 50', 1/4 in. MNPT Fittings, Heavy Duty, Lightweight, Hybrid, ZillaGreen HFZ1450YW2 https://a.co/d/5QJsY4w

JWGJW PEX Pinch Clamp Tool for 3/8 inch, 1/2 inch, 3/4 inch, 1 inch PEX Clamps,PEX Crimping Tool,PEX Clamp Cinch Tool (JW002) https://a.co/d/0Rp8DHk