Injen Black Friday Sale: Get 20% Off Performance Upgrades

If you’ve been waiting for the perfect moment to upgrade your vehicle’s performance, this is it. The Injen Black Friday Sale is officially live and it’s one of the biggest deals of the year. From November 20 to December 15, 2025, shoppers can enjoy a full 20% off a wide range of premium Injen products.

Whether you want stronger throttle response, better airflow, or a deeper, sportier engine tone, Injen’s high-quality engineering delivers proven gains. And with Black Friday savings this big, now is the smartest time to upgrade.

Why Injen Performance Parts Are Worth the Upgrade

Injen Technology is one of the most trusted names in aftermarket performance because they combine precision engineering, USA manufacturing, and dyno-tested results. 

At Tuning4, Injen products remain best-sellers for a reason:

Increased Horsepower & Torque

Injen cold air intake systems smooth and optimize airflow to your engine, giving you noticeable performance improvements.

Improved Throttle Response

Enjoy sharper acceleration and better engine responsiveness.

Premium Build Quality

Mandrel-bent aluminum tubing, TIG-welded brackets, and high-flow filtration ensure both durability and efficiency.

Designed for OEM Fitment

Every system is engineered for perfect vehicle compatibility, no guesswork, no cutting.

Best-Selling Injen Upgrades at Tuning4

Here are some customer favorites:

Injen Cold Air Intake Systems

Perfect for drivers who want immediate horsepower gains and improved engine sound.

Injen Short Ram Intakes

Great for daily drivers looking for a quick, simple, and effective performance upgrade.

Injen Intercoolers

Lower your intake air temps and maximize turbo efficiency.

Injen Evolution Series Intakes

Modern Roto-molded designs with massive filters and easy installation.

Don’t Miss Out - Upgrade Your Vehicle the Smart Way

Injen’s Black Friday Sale is the perfect opportunity to give your vehicle a true performance boost at an unbeatable price. Whether you're a daily driver prepping for smoother rides or a weekend enthusiast chasing more horsepower, these deals help you get the most out of your build.

Ready to upgrade? Shop Injen and save 20% before the sale ends!