2021 Honda Civic Exhaust Upgrade Parts
49 parts listed for your 2021 Honda Civic for a complete exhaust upgrade. Choose your trim on product pages to confirm exact fit. A moderate DIY project - estimated 2-5 hours.
Cat-Back Exhaust
(38)primary
aFe
aFe POWER Takeda 16-17 Honda Civic I4-1.5L (t) 2.25-2.5in 304 SS CB Dual-Exit Exhaust Polish Tip
$1329.00
aFe
aFe POWER Takeda 16-17 Honda Civic I4-1.5L (t) 2.5-2.25in 304 SS CB Dual-Exit Exhaust Blue Tips
$1532.00
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 2-1/2in 304 SS Axle-Back Exhaust w/Black Tips 17-20 Honda Civic Sport L4-1.5L (t)
$884.00
aFe
aFe Takeda 2-1/2in 304 SS Axle-Back Exhaust w/Blue Flame Tips 17-20 Honda Civic Sport L4-1.5L (t)
$884.00
aFe
aFe Takeda 2-1/2in 304 SS Axle-Back Exhaust w/Carbon Tips 17-20 Honda Civic Sport L4-1.5L (t)
$884.00
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
aFe
aFe Takeda 2.5in 304SS Axle-Back Exhaust System 17-19 Honda Civic Type R L4-2.0L (t)
$953.00
Headers
(1)primary
Mufflers
(10)primary
aFe
aFe Power Elite Twisted Steel 16-17 Honda Civic I4-1.5L (t) 2.5in Rear Down-Pipe Mid-Pipe
$491.00
aFe
aFe Twisted Steel 3in Rear Down-Pipe/Mid Pipe 2017+ Honda Civic Type R I4 2.0L (t)
$633.00
Fel-Pro
Fel-Pro 09-14 Acura TL/10-14 TSX/17-21 Honda Civic Exhaust Pipe Flange Gasket
$5.08
Fel-Pro
Fel-Pro 09-14 Acura TL/13-17 Honda Accord Exhaust Pipe Flange Gasket
$7.54
Fel-Pro
Fel-Pro 09-14 Acura TL/TSX/14-17 Honda Accord/12-15 Civic Exhaust Pipe Flange Gasket
$2.74
Fel-Pro
Fel-Pro Honda Civic 60776 Exhaust Pipe Flange Gasket
$4.20
Magnaflow
Magnaflow 16-18 Honda Civic L4 OEM Underbody Single Direct Fit Converter
$766.00
Magnaflow
MagnaFlow 16-20 Honda Civic L4 2.0L OEM Underbody Single Direct-Fit Catalytic Converter
$786.00
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. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
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?
These parts are listed for the 2021 Honda Civic using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make exhaust upgrade parts for the 2021 Honda Civic?
We carry exhaust upgrade parts from trusted brands including aFe, Fel-Pro, and Magnaflow. 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.