★★★★★ 5
Great
Size: 1.9" x 9.9" x 11.4"
Great value for the money and easy to install.
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Reviewed in the United States on May 10, 2026
Brembo 15-21 NX Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type-1-Black
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Brembo 15-21 NX Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type-1-BlackSKU: 1B2. 8052A1 Brembo 2015 2021 Subaru WRX STI NX Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type 1 Black Equip your 2015 2021 Subaru WRX STI with Brembo's NX GT front big brake kit featuring 4 piston cast monobloc calipers and 355x32mm two piece slotted rotors. This direct bolt on upgrade delivers stronger initial bite stronger modulation and resistance to brake fade during aggressive driving. Drivers gain shorter stopping distances
Quick Dispatch:
Your Brembo 15-21 NX Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type-1-Black 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 Brembo 15-21 NX Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type-1-Black 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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4.4 ★★★★★
Based on 2220 reviews
Sort
Product Reviews
★★★★★ 5
nice quality
Size: 1.9" x 9.9" x 11.4"
I happen to be a fan of K&N air filters. Fit perfect in my vehicle. Seems like a much nicer quality filter than the cheapo filters from the parts store.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
★★★★★ 5
excellent product
Size: 1.9" x 9.9" x 11.4"
easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
★★★★★ 5
Great purchase!
Size: 1.9" x 9.9" x 11.4"
This has worked out quite well. I have had it since 2023 and have been cleaned thru about 6 maintenance schedules. It's been 2 yrs and it's in great shape. Worth every penny.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 21, 2025
★★★★★ 4
Really filters the cabin air
Size: 1.9" x 9.9" x 11.4"
K&N filters are always a cut above. Can’t say the same for service/support after the sale.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
