


Skunk2 MegaPower RR 17-20 Honda Civic Si Coupe Exhaust System
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Skunk2 MegaPower RR 17-20 Honda Civic Si Coupe Exhaust SystemDecades of race engineering are incorporated into every part Skunk2 develops. Our MegaPower Double Barrel (DB) Exhaust system for the '17 '20 Honda Civic Si is no exception. All MegaPower exhaust systems are finely tuned using CNC Mandrel bends, precision robotic TIG welds and unrestrictive resonators to maximize exhaust velocity and eliminate restriction. Featuring parallel, dual race mufflers mounted center beneath the bumper, this system emits that
Quick Dispatch:
Your Skunk2 MegaPower RR 17-20 Honda Civic Si Coupe Exhaust System orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.0 ★★★★★
Based on 947 reviews
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Product Reviews
★★★★★ 5
Looks good and fits
It looks good and fits perfectly; other than that, I have no idea how to tell if it's better or worse than anything else.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
Happy with purchase
Works as well at the fraction of the price. Very happy with the purchase. Very easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
★★★★★ 5
Great OEM replacement at hlaf the cost
Looks exactly like the OEM filter a quality product. it is the same size fit and performance. Filter replacement is fast 10 min tops, it's crazy how much a dealer charges to replace it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2025
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
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Reviewed in the United States on May 2, 2026