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Every order ships free with tracking. Dispatch is usually within 1–2 working days and delivery within 3–8 working days.
Email us your order number within 30 days of delivery and we send the return steps the same working day. Refunds within 5 working days of receipt.
Send your registration or make, model and year to britishgarage.co.uk@gmail.com and we check the listing details against it before you order.
EVIL ENERGY's cold air intake is a complete bolt-on system that delivers cooler, cleaner air to 2014–2018 Chevy Silverado 1500 and GMC Sierra 1500 5.3L/6.2L engines, improving throttle response and producing a deeper engine note while remaining reusable and serviceable.
This kit replaces restrictive factory plumbing with a precision-formed aluminum intake tube, a steel heat shield to isolate engine heat, and a washable multi-layer synthetic filter plus a pre-filter for dusty conditions. It is designed for direct fitment to the listed model years and engine sizes and installs with basic tools in roughly 40 minutes. The goal is reliable, repeatable airflow improvements without complicated tuning or permanent engine modifications.
Replacing the stock air path with a smoother, larger-diameter aluminum tube reduces turbulence and allows greater volumetric flow. Cooler intake air reduces charge temperatures and improves combustion stability, which you’ll notice as crisper throttle response and a fuller mid-range power delivery.
The kit is vehicle-specific for Silverado 1500 and Sierra 1500 with 5.3L or 6.2L engines from model years 2014 to 2018. All mounting points and hoses are engineered for a direct swap into the factory locations, and the included hardware simplifies assembly.
The system uses a multi-layer synthetic non-woven filter achieving high filtration efficiency while remaining fully washable and reusable. A removable pre-filter traps larger debris to extend service intervals in dusty or off-road environments.
Under acceleration you’ll notice a deeper, more aggressive intake note that enhances driving feedback, while cruising remains controlled and unobtrusive. The change in airflow profile emphasizes throttle response and mid-range punch without compromising daily refinement.
Who is this for? The EVIL ENERGY cold air intake is aimed at Silverado and Sierra owners with 5.3L or 6.2L engines who want a straightforward, reversible upgrade that improves airflow, sound, and throttle response without complex tuning. It suits daily drivers who occasionally tow or carry loads and off-road enthusiasts who need reliable filtration in dusty conditions. If you want a fit-and-forget installation with a washable filter and measurable airflow benefits, this kit is built for you.
Q: Is tuning required after installing this cold air intake?
A: No tuning is required; the system is designed to work with the stock ECU on compatible 2014–2018 Silverado and Sierra 5.3L/6.2L engines.
Q: How often should I clean the filter?
A: Clean intervals depend on conditions; inspect every 10,000 miles and clean sooner in dusty environments, using the manufacturer-recommended wash and dry method.
Delivery: free tracked delivery to every UK postcode on every order. Most orders are dispatched within 1–2 working days and arrive within 3–8 working days; you receive a tracking link by email as soon as it ships.
Returns: 30 days from delivery to return any unused item in its original packaging. Email us with your order number and we send the return instructions the same working day. Refunds go back to your original payment method within 5 working days of the item arriving with us.
Faulty or wrong item? Tell us within 30 days and we replace or refund it, including the return postage.
Seasonal UK driving advice and a heads-up when new stock lands. No spam, unsubscribe any time.
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