HKS 03-06 Evo Hi-Power Exhaust (mild Steel)

HKS 03-06 Evo Hi-Power Exhaust (mild Steel)

Marsoni

M251S

$550.00

Get it in 3 business days with 1 day shipping. Friday, May 29

HKS 03-06 Evo Hi-Power Exhaust (mild Steel)SKU: 31006 BM002 UPC: 4957266931943 HKS Hi Power Exhaust for 2003 2006 Mitsubishi Lancer Evolution VIII IX (Mild Steel) The HKS Hi Power Exhaust system delivers a cat back upgrade for 2003 2006 Mitsubishi Lancer Evolution VIII and IX models. This mild steel construction reduces backpressure for noticeable power gains and a deep aggressive exhaust note. Bolt on design ensures straightforward replacement of the stock system with improved throttle

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I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.

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Reviewed in the United States on March 7, 2026

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Jack

Port Orchard, US

★★★★★ 5

Must have.

Size: 150 ml, Pack of 1

Very good product, works great.

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Reviewed in the United States on May 7, 2026

Verified Purchase

Robert Cordrick

Belleville, US

★★★★★ 5

Good for routine engine care

Size: 150 ml, Pack of 1

Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.

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Reviewed in the United States on April 21, 2026

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Susie

West Palm Beach, US

★★★★★ 5

Worth the money

Size: 150 ml, Pack of 1

Great line of car products. My BMW gets better gas mileage when I use it regularly.

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Reviewed in the United States on April 1, 2026