What performance aftermarket muffler can I get for 2004 buick regal and do I have to get catback system or can I just replace muffler


Asked by Jan 21, 2014 at 01:02 AM about the 2004 Buick Regal LS

Question type: Car Customization

2 Answers


you can put any muffler that will fit under there. any muffler shop can help. they don't make catback systems for your car. it was built to be a luxury car, not a hot rod. all a muffler will do is change sound. on that vehicle you won't get any performance benefit.

Andrew Simmons

unless its a GS. Then it IS a performance car, and with the blower an exhaust will help exponentially.

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