2021 Honda Civic Exhaust Upgrade Parts
49 parts verified to fit your 2021 Honda Civic for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
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CORSA Performance
Corsa 2017-2021 Honda Civic Type R Xtreme Cat-Back Tri Rear Exit with 4.5in Black Pro-Series Tips
$1688.58
aFe
aFe POWER Takeda 2-1/2in to 2-1/4in 304SS Catback Dual-Exit Exhaust 17+ Honda Civic Type R w/CF Tips
$2461.00
aFe
aFe Takeda 3in 304 SS Cat-Back Exhaust w/ Tri-Polished Tips 17-18 Honda Civic Type R L4 2.0L (t)
$2036.00
aFe
aFe Takeda 2-1/2in 304 SS Axle-Back Exhaust w/Polished Tips 17-20 Honda Civic Sport L4-1.5L (t)
$796.00
Magnaflow
MagnaFlow 2023+ Honda Civic Type R SPEQ Series Cat-Back Perf Exhaust System w/ CF Tips
$2392.88
aFe
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/Black Tips 17-20 Honda Civic Sport L4-1.5L (t)
$1532.00
Injen
Injen 16-20 Honda Civic Hatchback 1.5T SS Cat-Back Exhaust w/ Titanium Tips
$1363.13
AWE Tuning
AWE Tuning 2017+ Honda Civic Type R Track Edition Exhaust w/Front Pipe & Triple Diamond Black Tips
$1354.11
Headers
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Mufflers
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Fel-Pro
Fel-Pro 09-14 Acura TL/13-17 Honda Accord Exhaust Pipe Flange Gasket
$8.08
Magnaflow
MagnaFlow 16-20 Honda Civic L4 2.0L OEM Underbody Single Direct-Fit Catalytic Converter
$722.00
Fel-Pro
Fel-Pro Honda Civic 60776 Exhaust Pipe Flange Gasket
$4.90
Magnaflow
Magnaflow 16-18 Honda Civic L4 OEM Underbody Single Direct Fit Converter
$703.00
Fel-Pro
Fel-Pro 09-14 Acura TL/TSX/14-17 Honda Accord/12-15 Civic Exhaust Pipe Flange Gasket
$3.20
aFe
aFe Power Elite Twisted Steel 16-17 Honda Civic I4-1.5L (t) 2.5in Rear Down-Pipe Mid-Pipe
$491.00
Fel-Pro
Fel-Pro 09-14 Acura TL/10-14 TSX/17-21 Honda Civic Exhaust Pipe Flange Gasket
$5.32
aFe
aFe Twisted Steel 3in Rear Down-Pipe/Mid Pipe 2017+ Honda Civic Type R I4 2.0L (t)
$633.00
Exhaust Upgrade for Other Honda Civic Years
Other Jobs for Your 2021 Honda Civic
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2021 Honda Civic?
A complete exhaust upgrade on the 2021 Honda Civic typically requires cat-back exhaust, headers, mufflers. All parts shown on this page are verified to fit your specific vehicle.
How long does a exhaust upgrade take on a 2021 Honda Civic?
A exhaust upgrade typically takes 2-5 hours and is rated as moderate difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a exhaust upgrade myself?
A exhaust upgrade is a moderate DIY project. If you have some mechanical experience and the right tools, you can handle it. Otherwise, consider having a professional do the work.
Are these parts guaranteed to fit my 2021 Honda Civic?
Yes, all parts on this page are verified to fit the 2021 Honda Civic using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make exhaust upgrade parts for the 2021 Honda Civic?
We carry exhaust upgrade parts from trusted brands including CORSA Performance, aFe, Magnaflow, Injen, and AWE Tuning. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2021 Honda Civic?
The cost of a exhaust upgrade for the 2021 Honda Civic depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.