2004 Cadillac Seville Exhaust Upgrade Parts
17 parts verified to fit your 2004 Cadillac Seville for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(1)primaryHeaders
(2)primaryMufflers
(8)primary
Fel-Pro
Fel-Pro Buick LeSabre 61009 Exhaust Pipe Flange Gasket
$8.83

Fel-Pro
Fel-Pro Buick LeSabre 61311 Exhaust Pipe Flange Gasket
$4.92

Fel-Pro
Fel-Pro Cadillac DTS 61431 Exhaust Pipe Flange Gasket
$16.72

Magnaflow
Magnaflow 04-05 Cadillac DeVille 4.6L Direct Fit Converter
$1444.00

Magnaflow
MagnaFlow Conv DF 00-01 Cadillac Deville 4.6L
$1566.00

Magnaflow
MagnaFlow Conv DF 98-05 Cadillac Deville 4.6L
$1253.00

Magnaflow
MagnaFlow Conv Univ 3in Inlet/Outlet Center/Center Round 9in Body L x 5.125in W x 13in Overall L
$178.00

Magnaflow
MagnaFlow Conv Universal 3 inch OEM
$194.00
Exhaust Upgrade for Other Cadillac Seville Years
Other Jobs for Your 2004 Cadillac Seville
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2004 Cadillac Seville?
A complete exhaust upgrade on the 2004 Cadillac Seville 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 2004 Cadillac Seville?
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 Cadillac Seville?
Yes, all parts on this page are verified to fit the 2004 Cadillac Seville 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 Cadillac Seville?
We carry exhaust upgrade parts from trusted brands including CORSA Performance, Fel-Pro, Victor Reinz, and Magnaflow. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2004 Cadillac Seville?
The cost of a exhaust upgrade for the 2004 Cadillac Seville 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.


