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HKS SUPER TURBO MUFFLER 14+ Subaru WRX STi (EJ20) Catback Exhaust
HKS SUPER TURBO MUFFLER 14+ Subaru WRX STi (EJ20) Catback Exhaust
HKS SUPER TURBO MUFFLER 14+ Subaru WRX STi (EJ20) Catback Exhaust
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HKS SUPER TURBO MUFFLER 14+ Subaru WRX STi (EJ20) Catback Exhaust

Marsoni M251S
Sale price$1175.00
Pay 4 payments of $293.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
HKS SUPER TURBO MUFFLER 14+ Subaru WRX STi (EJ20) Catback ExhaustSKU: 31029 AF013 UPC: 4957266922170 HKS SUPER TURBO MUFFLER 2015 2021 Subaru WRX STI (EJ20) Catback Exhaust The HKS Super Turbo Muffler catback exhaust system replaces the stock setup from the catalytic converter back on 2015 2021 Subaru WRX STI models with EJ20 engines. This full titanium and stainless steel system delivers measurable power gains and a deep aggressive exhaust note while shedding significant weight. Drivers experience sharper throttle
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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]
  • Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
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Verified Purchase
Jeff
Belleville, US
★★★★★ 5
Original OEM equipment
They seem to be the copper plug required for this engine. Runs great and as it should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
E
Verified Purchase
Earl Johnson
Bozeman, US
★★★★★ 5
Genuine Champion Spark plugs
Genuine Champion Spark plugs at a great price!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
W
Verified Purchase
Wayne E Gratz
Alexandria, US
★★★★★ 5
Go For It.
Good Plug
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
A
Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
Champion RC12YC Spark Plug
Worked perfectly for a Lawnboy Model 10646 lawnmower.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
O
Verified Purchase
Oldtech 45
Grantham, US
★★★★★ 5
worked ok
worked ok
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026

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