★★★★★ 5
I got exactly what I ordered!
It was the correct part as listed.
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Reviewed in the United States on April 30, 2026
BLOX Racing 15-21 Subaru WRX / 15-21 Subaru WRX STI Muffler Delete Kit
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
BLOX Racing 15-21 Subaru WRX / 15-21 Subaru WRX STI Muffler Delete KitSKU: BXEX 51104 BLOX Racing 15 21 Subaru WRX 15 17 Subaru WRX STI Muffler Delete Kit The BLOX Racing Muffler Delete Kit BXEX 51104 replaces the factory muffler on 2015 2021 Subaru WRX and 2015 2017 WRX STI models with a lightweight straight pipe. This direct bolt on upgrade cuts weight by over 15 pounds per side improves exhaust scavenging and produces a raw aggressive exhaust tone. Drivers gain quicker throttle response and higher revs without
Quick Dispatch:
Your BLOX Racing 15-21 Subaru WRX / 15-21 Subaru WRX STI Muffler Delete Kit orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your BLOX Racing 15-21 Subaru WRX / 15-21 Subaru WRX STI Muffler Delete Kit ships.
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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
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4.5 ★★★★★
Based on 984 reviews
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Product Reviews
★★★★★ 5
Starter
Great product
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Reviewed in the United States on April 2, 2026
★★★★★ 5
STARTER
WORKS LIKE IT SHOULD
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Reviewed in the United States on October 5, 2025
★★★★★ 1
Junk!
Didn’t even last 8 months! Good paper weight. That’s about it.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Super bueno
Excelente condiciones
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Reviewed in the United States on April 6, 2025
