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STM Coil-On-Plug (COP) Ignition System - Evo 9

STM Tuned Inc.


Vehicle Fitment:
2006 Mitsubishi Lancer Evolution IX

The STM Coil-On-Plug Ignition System is a direct replacement to your factory Evolution IX coils and wires and simply plugs in and bolts down! This piece will fit under your factory spark cover, or you can leave it open to breathe and stay cool.

The STM Coil-On-Plug Ignition System is USA-Made with genuine Denso ignition coils and features a waterproof harness constructed from military grade Tefzel Teflon wire, Stay-Clean wire sheathing and a thick, carbon fiber mounting plate with stainless and aluminum hardware.

This ignition can be used from stock applications up to 800 HP. Designed for use with the stock ECU and is compatible with AEM EMS V1 & V2, Haltech, MegaSquirt and the SunAuto Hyperforce. This system will NOT work with CDI boxes or the HKS DLI.

• Fits under spark plug well cover
• Handle 650+ HP, tested to 800 whp
• Plug and Play
• Gain HP/TQ (8-20 hp is the norm, mod dependent)
• Greatly reduce or eliminate partial throttle bucking
• Better idle quality
• Accelerates like a new car
• Run more boost
• 4 coils instead of 2
• Hotter spark
• Run more gap for better fuel burn
• Plugs last longer due to less fouling
• No wimpy spark plug wires to worry about
• Plug changes take minutes less
• Increased gas mileage
• Lightest System available
• No problem prone CDI Boxes
• Looks great!
• Non corrosive hardware will keep it looking great!
• Beautiful Carbon Fiber mounting plate
• Directions included
• 3 Year Warranty on Coils
• Lifetime on Workmanship (Harness, Mount Plate)

(1) Assembled STM Coil-On-Plug Ignition System
(1) Assembled Wire Harness
(1) Zip Tie
(2) Stainless Bolts
(2) Stainless Washers
(1) 15 AMP Fuse

Install Notes:
Make sure you replace the included 15A fuse in the fuse box on the driver side under the dash. The ignition puts out more power than the factory 10A fuse can handle and it will eventually pop and your car will not start if it does. It is located from the driver seat by your left knee in the interior fuse box, top left, red fuse, #1 position.

We are sorry, but discount codes are not available with this product.

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Customer Reviews

Based on 2 reviews


STM COP System

Installation was quick and easy. Car runs nice and smooth. Can’t go wrong with this high quality part from STM!

Cancer and Reproductive Harm