A portion of this video is sponsored by The Motley Fool. Visit http://fool.com/donutmedia to get access to a special offer for new members.

Motley Fool Stock Advisor returns are 594% as of 8/6/2021 and measured against the S&P 500 returns of 137% as of 8/6/2021. Past performance is not an indicator of future results. All investing involves a risk of loss. Individual investment results may vary, not all Motley Fool Stock Advisor picks have performed as well. Please see fool.com for full offer details. The Motley Fool’s YouTube channel:    / motleyfool  

Big thanks to Richard Gibby at EF1 Tuning. Go check em out! https://www.ef1motorsports.com/

California recently announced they won't allow cars with modified ECUs on their roads. Today we’re gonna take a closer look at ECU modification, figure out the benefits and risks of modifying them, and see how ECU tuning is actually done. California might be on the wrong side of science with this one! Let’s go.



HERE IN MY GARAGE…
Curious what we use in the shop on a daily basis? Check it out below. And if you purchase these tools from these links, you’re helping support Donut. We appreciate it!

Milwaukee Electric Tools 255020 M12 Rivet Tool (Bare Tool) https://www.amazon.com/gp/product/B07...

Milwaukee 48220125G 25 ft. Magnetic Tape Measure 2Pack
https://www.amazon.com/gp/product/B08...

Milwaukee 48591880 M18 REDLITHIUM HIGH OUTPUT XC 8 Ah LithiumIon Battery and M18 /M12 Charger Kit
https://www.amazon.com/gp/product/B07...

Milwaukee Angle Grinding 278122 M18 Fuel 41/2"/5" Slide, Kit
https://www.amazon.com/gp/product/B00...

Milwaukee 273520 18V LiIon Flashlight
https://www.amazon.com/Milwaukee2735...

Milwaukee 255720 M12 Fuel 3/8" Ratchet
https://www.amazon.com/gp/product/B07...

Milwaukee 48111880 M18 REDLITHIUM HIGH OUTPUT 18v 8.0 Ah LithiumIon Battery Pack
https://www.amazon.com/gp/product/B07...

Milwaukee 212521XC M12 LED Underhood Light Kit
https://www.amazon.com/gp/product/B07...

Milwaukee M18 FUEL 3/8" Compact Impact Wrench with Friction Ring
https://www.amazon.com/MilwaukeeComp...

Adenna Dark Light 9 mil Nitrile Powder Free Exam Gloves (Black), Large Box of 100 (DLG676)
https://www.amazon.com/AdennaLightN...

Scott Shop Towels Original (75143), Blue, 55 Sheets / Standard Roll, 30 Rolls / Case (10 Bundles of 3 Rolls), 1,650 Towels / Case
https://www.amazon.com/ScottOriginal...

Zep Cherry Bomb Industrial Pumice Hand Cleaner 48 Ounce (Case of 4) ZUCBHC48CA
https://www.amazon.com/ZepCherryCle...

AIDEA Microfiber Cleaning Cloths100PK
https://www.amazon.com/AIDEAMicrofib...

Barrow 52 in. Brown Large Rectangle Wood Coffee Table with Lift Top
https://homedepot.sjv.io/c/2095194/45...

Barrow 52 in. Brown Large Rectangle Wood Coffee Table with Lift Top
https://homedepot.sjv.io/c/2095194/45...

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