2004 Lexus GS300 Exhaust Upgrade Parts
19 parts verified to fit your 2004 Lexus GS300 for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Headers
(2)primaryMufflers
(8)primary
Fel-Pro
Fel-Pro Toyota Camry Exhaust Flange Stud & Nut
$16.53

Fel-Pro
Fel-Pro Toyota Camry Exhaust Pipe Flange Gasket
$3.45

Magnaflow
MagnaFlow Conv DF 00-04 Lexus IS/GS300 mani
$1292.00

Magnaflow
Magnaflow Conv DF 00-05 Lexus GS300 3.0L
$762.00

Magnaflow
MagnaFlow Conv DF 01-05 Lexus IS300 Rear CA
$848.00

Magnaflow
MagnaFlow Conv DF 01-05 Lexus IS300 rear OEM
$503.00

Magnaflow
MagnaFlow Conv DF 2000 Dodge Neon 2.0L L4
$355.00

Magnaflow
MagnaFlow Conv DF 97-00 Lexus GS300 3.0L
$1287.00
Exhaust Upgrade for Other Lexus GS300 Years
Other Jobs for Your 2004 Lexus GS300
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2004 Lexus GS300?
A complete exhaust upgrade on the 2004 Lexus GS300 typically requires headers, mufflers. All parts shown on this page are verified to fit your specific vehicle.
How long does a exhaust upgrade take on a 2004 Lexus GS300?
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 2004 Lexus GS300?
Yes, all parts on this page are verified to fit the 2004 Lexus GS300 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 2004 Lexus GS300?
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 2004 Lexus GS300?
The cost of a exhaust upgrade for the 2004 Lexus GS300 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.
