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2017-2021 Civic Si - 10th Gen

Shop performance parts and upgrades for the 2017–2021 Honda Civic Si. 27WON develops performance parts specifically for the 10th Gen Civic Si, including intake systems, turbocharger upgrades, intercoolers, exhaust components, suspension, brakes, engine bay upgrades, and more. Whether you're building a street-driven Civic Si or looking for more power and performance, explore our selection of parts engineered for the FC1/FC3 platform.
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ARP kit specifically for 2016+ 1.5T engine
Honda L15 Turbo Head Stud Kit for 2016+ 1.5T Engine by TSP/ARP - L15B7 L15CA L15BA L15BE
$379.99 $349.99
More boost means more cylinder pressure and more demand on the hardware keeping your cylinder head sealed. The TSP L15...
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Big brakes without the big hassle
2016+ Honda Civic & Acura Integra Front 4-Piston Caliper Upgrade Kit (Base, Si, A-Spec, Hybrid)
$1,149.99
The factory front brakes on the Civic and Integra are built to handle everyday driving, but once you start asking more from the car, the...
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Designed for all 2016+ Civic Si or Acura Integra models
2016+ Honda Civic & Acura Integra Front Performance Brake Pads for Si, Integra, Type R, Type S
$119.99
Stopping power in your Honda Civic and Acura Integra – whether you’re driving a Si, Integra, Type R/S or Hybrid is dictated by a handful of parts, mainly...
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A direct drop-in flex fuel solution from Hondata
Hondata CANFlex Flex Fuel Kit for Honda Civic, Si, Civic Type R & Acura Integra (1.5T/2.0T)
$595.00 $590.00
Turn E85 into a true fill-up-and-go upgrade with the Hondata CANFlex Flex Fuel Kit for turbocharged Honda and Acura applications. Want...
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Redline Red Billet Oil Cap
27WON Billet Oil Cap for Honda & Acura
$59.99
Aftermarket Billet Aluminum Oil Cap compatible with a wide variety of Honda & Acura vehicles, like the 10th Gen Civic, 11th Gen Civic, 5th Gen Integra & more.
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A complete performance solution for the OEM bypass valve made from billet aluminum
2016-2021 10th & 2022+ 11th Gen Honda Civic/Acura Integra Billet Bypass Valve (BPV) for 1.5T/2.0T Non-Si, Si, Type R & Type S
$229.99
What’s something small, but has one of the most critical roles in controlling all that boost that your turbo L15 motor is putting out? That’s right, it’s your turbo bypass valve or more commonly known as a “BPV”. We’ve got a completely brand-new Billet Bypass upgrade that’s going to eliminate all the weak spots of the OEM valve and make your engine bay pop with its contrasting red & black style. No matter if you have a Civic or Integra, sedan or hatch, this mod should be on your list. Available for any 1.5T equipped Civic Or Integra
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Designed to flow with the lines of your car, not fight it. The most unique tip designs for the 10th gen Si anywhere
2017-2021 Honda Civic Si Performance Exhaust
$1,349.99
A Performance Exhaust System that dares to REDEFINE the Aftermarket. A statement that the same recycled design and mentality is not good enough for...
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Cast Street 70a engine mount
2016-2021 Honda CivicX Rear Motor Mount
$129.99
An upgraded rear engine mount or rmm motor mount as its sometimes called is designed to help improve traction on your Modern Honda Civic by helping eliminate wheel hop often associated with high horse-power FWD cars.
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Textured Powder coat for a sleek and durable look
10th Gen Civic Front Strut Tower Bar FSTB
$299.99
27WON high-end performance strut tower brace for the 10th generation Honda Civic. Fits the 2016+ Civic all trims from 2016, 2017, 2018, 2019, 2020 and 2021 Si and Type R.
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2016+ Honda Civic cold air intake system for the 1.5T engine
2016-2021 10th Gen Civic Cold Air Intake System
$399.99
There’s no better feeling than showing up to the local meet, popping the hood, and showing off the new "go-fast" parts. Add the satisfaction...
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The next generation of bolt-on performance; the W2 is in a league of its own and is an evolution of our popular W1 turbo upgrade
2016-2021 Honda Civic 1.5T W2 Drop-In Turbocharger Upgrade
$1,799.99
The W2 is 27WON's high-performance drop-in turbo kit for the 10th generation Honda Civic and SI. This turbo system is a 100% bolt-on kit with factory-like fitment and function. This will work on the 2016,2017,2018,2019,2020 Civic with the Earth Dreams 1.5L turbocharged engine non-vtec. This system will allow you to bolt-on over 120+whp with the correct fuel system support.
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The ultimate performance coolant tank upgrade for your late model Civic or Integra
2016+ Honda Civic & Acura Integra Coolant Expansion Tank Upgrade
$299.99
The cooling upgrade you need! Check out the 27WON upgraded coolant tank. It's an expansion tank that replaces the stock boring yellow plastic tank found on all 2016+ Honda Civics like the Si, Type R, and Sport, plus others with a sleek aluminum version. Specific fitments are available for the 1.5T and 2.0T vehicles and this one makes your engine bay pop
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OE Fitment with a Punch, the W1 has the potential for 100+wHP gains
2016-2021 Civic Turbocharger Upgrade - W1
$1,399.99
In modern engines like those found in the 10th generation Honda Civic the turbocharger is the heart and breath of power and performance....
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2016-2021 Honda Civic Engine Bay Shrouds
$159.99
OE like fitted engine bay fender and radiator shrouds designed to smooth airflow in the engine bay and add a clean aesthetic look that you'll be proud to show off the next time you pop your hood at the local Honda meet
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Base Race MAF upgrade in black to attach to 27WON Tip
2016-2021 CivicX 1.5L Race MAF Housing Upgrade Kit
$199.99
80mm upgrade Race MAF for the 2016+ Honda Civic and 2017+ Honda Civic SI equipped with the 1.5L Turbo earth dream engines. An upgraded race MAF allows more power to be made by flowing more air and altering the MAF scale table.
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