STM Evo 8/9 Relocated Coolant Overflow Reservoir

STM Tuned Inc.



We price match!

The STM Relocated Coolant Overflow Reservoir for the Evo 8/9 features lightweight, aluminum construction, hand made in-house at STM and allows you to relocate the coolant overflow reservoir between the intercooler and radiator and completely remove your stock, plastic overflow from the engine bay. The welded bracket allows you to use existing bolt holes, so no drilling of the car is necessary. Includes brass fittings, stainless hardware and high-quality silicone hose for a clean and simple install.

Vehicle Fitment:
2003-2006 Mitsubishi Lancer Evolution VIII IX
• Not compatible with A/C.
• Not compatible with the power steering cooler line.
• Not confirmed for Evo 7 models.

Install Notes:
• This will not fit if your car has A/C.
• The power steering cooler line will need to be removed.
• Fitment is not confirmed with the Evo 7.

• Tig Welded Aluminum Body
• Fill Cap
• Stainless Allen Bolts & Brass Fitting
• No Drilling Necessary for Mounting
• Frees Engine Space
• Bolts to Factory Location

STM Products are made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.

(1) STM Reservoir with Fill Cap
(1) 4 Foot Length 6mm Silicone Hose
(2) 3/8" x 90 Brass Drain Fittings (69946)
(2) M6x16 Stainless Allen Cap Bolts
(4) M6 Stainless Flat Washers
(2) M6 Stainless Nuts

Finish Options:
• Brushed Aluminum
• Gloss Black Powdercoat (+$30)
• Wrinkle Black Powdercoat (+$30)

Gloss black is pictured. New photos of all finish options are coming soon!

Shipping Times: 1-14 Days
Hand crafted and welded in New York, please give our fabricators time to assemble your parts!
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Customer Reviews

Based on 2 reviews
ryan mcquown (Seattle, WA, US)
Excellent product

Amazing product, clean welds and I just had mine powder coated to make it that much more appealing! 10/10 would recommend

Wiz Evo (Crestview, FL, US)
Perfect fitment

Works, fits, looks mint, and the STM logo faces out 10/10

Looks awesome! Thank you very much for the detailed review, awesome pictures, and for your return business. We truly appreciate it.

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