Skunk2 MegaPower RR 06-10 Honda Civic Si (Sedan) 76mm Exhaust System (Factory Bolt On)

Skunk2 MegaPower RR 06-10 Honda Civic Si (Sedan) 76mm Exhaust System (Factory Bolt On)

Marsoni

M251S

$382.35

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

Skunk2 MegaPower RR 06-10 Honda Civic Si (Sedan) 76mm Exhaust System (Factory Bolt On)A properly designed exhaust system is critical to engine performance. Skunk2's 76mm MegaPower RR Exhaust system for the 07 11 Civic Si sedan 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. Designed for heavily modified

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Definitely better than the old plugs that probably had 80k miles on them. The one star off is because I had a misfire after installing. Not sure if I damaged the plug or what, but a reinstall didn't fix the misfire. In my genius, I rushed to try to gap it and ended up breaking the iridium tip. Put the old plug into cylinder 3 (where the misfire was) and it was fine. Gonna have to get a new single tomorrow at my local shop, but a bit frustrating to get a misfire after install.

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Reviewed in the United States on April 27, 2026

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Britincali

Port Orchard, US

★★★★★ 5

Upgrade from OEM

After seeing a quite ludicrous $403 quote to change 4 spark plugs in a Mazda3 I decided to show my son how easy it is. These were an upgrade from OEM parts. They were gapped perfectly for the car. They took 20mins to fit and work fine.

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Reviewed in the United States on February 11, 2026

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ANDRES FIGUEROA

Natrona Heights, US

★★★★★ 5

Very good

The best quality. Runs like new again.

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Reviewed in the United States on March 12, 2026

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Ale

Draper, US

★★★★★ 1

garbage spark plugs

misfired after 30 minutes of driving cylinder 4 misfire code, left me stranded on the highway with baby in car. “(9621)” at the end of description is a lie, was not compatible with my vehicle even with compatibility test.

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Reviewed in the United States on May 17, 2026

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Aspen Valdez

Dallas, US

★★★★★ 5

Fits 2011 335xi n55 prefect

Fits my 2011 335xi n55 engine perfectly. Comes on and off easily and gets the filter loose quickly. Amazing quality

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Reviewed in the United States on March 15, 2026