2018 Honda Civic Exhaust Upgrade Parts
106 parts verified to fit your 2018 Honda Civic for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
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aFe
aFe Takeda 3in 304 SS Cat-Back Exhaust System w/Blue Flame Tips 17-20 Honda Civic Sport L4-1.5L (t)
$1532.00
AWE Tuning
AWE Tuning 2016+ Honda Civic Si Track Edition Exhaust w/Front Pipe & Dual Diamond Black Tips
$1185.00
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 Takeda 2.5in 304SS Cat-Back Exhaust System 17-20 Honda Civic SI Coupe L4-1.5L (t) - BL Flame Tip
$1049.00
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 3in 304 SS Cat-Back Exhaust w/ Tri-Polished Tips 17-18 Honda Civic Type R L4 2.0L (t)
$2036.00
AWE Tuning
AWE Tuning 2016+ Honda Civic Si Touring Edition Exhaust w/Front Pipe & Dual Chrome Silver Tips
$1390.00
aFe
aFe Takeda 2.5in 304 SS Cat-Back Exhaust System w/ Blue Tips 17-20 Honda Civic Si Sedan I4 1.5L
$1153.00
Headers
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Mufflers
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Cometic Gasket
Cometic Honda K20C1 .020in MLS Exhaust/Turbo Gasket
$14.58
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
Victor Reinz
MAHLE Original Honda Accord 11-08 Catalytic Converter Ring
$3.98
Magnaflow
MagnaFlow Conv DF 98-99 Chrysler Cirrus 2.4
$284.00
Magnaflow
MagnaFlow Conv Direct Fit Neon 95-96
$295.00
Magnaflow
MagnaFlow Conv Dodge-Plymouth Van 28.88X6.5X4
$260.00
Exhaust Upgrade for Other Honda Civic Years
Other Jobs for Your 2018 Honda Civic
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2018 Honda Civic?
A complete exhaust upgrade on the 2018 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 2018 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 2018 Honda Civic?
Yes, all parts on this page are verified to fit the 2018 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 2018 Honda Civic?
We carry exhaust upgrade parts from trusted brands including aFe, AWE Tuning, CORSA Performance, Skunk2 Racing, and Magnaflow. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2018 Honda Civic?
The cost of a exhaust upgrade for the 2018 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.