Skunk2 MegaPower RR 12 Honda Civic Si (Coupe) 76mm Exhaust System

Skunk2 MegaPower RR 12 Honda Civic Si (Coupe) 76mm Exhaust System

Marsoni

M251S

$382.35

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

Skunk2 MegaPower RR 12 Honda Civic Si (Coupe) 76mm Exhaust SystemA properly designed exhaust system is critical to engine performance. Skunk2s 76mm MegaPower RR Exhaust system for the 2012 Civic Si coupe was developed with this in mind and is based off of more than 15 years worth of racing experience. Dyno proven for maximum horsepower, MegaPower RR systems are constructed of T 304 stainless steel, are robotically TIG welded, and feature CNC mandrel bends for a precise fit. The MegaPower RR for the 2012 Civic Si in

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So my 2005 Durango has a 5.7 and I put on 253,000 miles on it before it blew a head gasket. Since it was summer, iI decided I'd tackle it myself. The upper end was so full of gunk, I can't believe I hadn't had serious issues. Anyway, I apparently dropped some pieces of crud down the oil channels, 'cuz after putting it all back together, I got alarms for low oil pressure. Figuring I'd try anything else before replacing the oil pump, i gave this stuff a try. WOW!!!! Not only did the oil pressure return, the engine runs SO much smoother! I had forgotten how smooth it ran when it was new. The caveat is that apparently the gunk was the only thing keeping some areas from leaking - as it lost oil at a startling rate. 1 bottle of the Liqui Oil Saver though, and within a week the oil leaks completely stopped.

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Reviewed in the United States on November 8, 2025

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Marlana Lupo

Cuba, US

★★★★★ 5

Awesome!!

Had a check engine light come on for cam shaft position. Did some research online about the specific code and found that I could be due to sludge in the engine. Added this and ran for about 30 minutes and then had the oil changed. The light never came back on and the engine is running smooth and quiet. Will definitely use again.

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Reviewed in the United States on April 5, 2026

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Discovery

Dallas, US

★★★★★ 5

Great product

This brand is great. The car is running great

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Reviewed in the United States on March 4, 2026

Verified Purchase

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