This special-order item requires extra processing time; we’ll email you the ETA after your order, or you can use the contact form with your shipping address and item name to request it.

DEI RFI Shield Split Sleeve - 1in x 3ft
DEI RFI Shield Split Sleeve - 1in x 3ft
DEI RFI Shield Split Sleeve - 1in x 3ft
DEI RFI Shield Split Sleeve - 1in x 3ft

DEI

DEI RFI Shield Split Sleeve - 1in x 3ft

$64.95 USD
$64.95 USD
Sold Out

Details

RFI Shield reduces Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) from ignition systems & high voltage wires that can affect computer systems, electronic fuel injection, radios, and other sensitive components. Electronic fuel injection systems thrive in an environment free from RFI. RFI Shield safeguards the delicate electronic components, optimizing fuel delivery and engine performance. Drive with confidence, knowing that your vehicle's critical systems are shielded from interference that can compromise safety and performance.

Installation Instructions
Installation Instructions
Trusted Performance Specialists Since 1996  •  60,000+ Builds Powered  •  Authorized Dealer of 250+ Brands
📧 Contact Us | 🕐 Mon–Fri 9am–6pm PST | ↩ Reply within 1 business day

Join the Insider List

Exclusive deals, new product drops, and fitment guides — direct to your inbox.

FOLLOW US

affirm 0% financing on orders $500+
VISA MC AMEX Shop Pay
SP Engineering  •  424 Turnbull Canyon Rd, City of Industry, CA 91745  •  Est. 1996
© 2026 SP Engineering. All rights reserved.