Not sure which 2001 GMC Sierra Performance Exhaust Systems are right for you? We have over 3905 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"I did cat back system on 2001 gmc sierra.Had trouble removing old system.studs at front flange broke ,had to heat with a torch n pound them out.wanna do jba cat forward kit next.cant beat price on stainless steel.sound is nice deeper tone but not real loud.now i only have a six cyclinder and u can hear that when u stomp on it.V-8 im sure would sound good." —Kevin S from Lebanon, PA bought a JBA Performance Exhaust for a 2001 GMC Sierra.