Your Cart Is Empty

2012 GMC Sierra Performance Mufflers

Have a Question?
Have a Question? Ask a product expert! (800) 874-8888 Live Chat
2 >

  • shipping icon
  • Not Rated Yet


View all reviews for this product

There are no customer reviews for this product

You may only compare up to 5 products at a time.
Please select at least two products to start comparing.
2 >

Latest Customer Reviews

Flowmaster 70 Series Big Block II Mufflers Reviews

flowmaster 70

Reviewed By AJ S (COLUMBIA, MO) Reviewed for a 2012 GMC Sierra —9/9/2014 10:49 AM

product exactly as expected

View More Reviews

Flowmaster 50 Series Big Block Mufflers Reviews

Truck muffler

Reviewed By Douglas H (miamisburg, OH) Reviewed for a 2012 GMC Sierra —4/11/2013 9:08 PM

Just like you described. No complaints.

View More Reviews

Flowmaster Super 40 Series Mufflers Reviews

Great sound

Reviewed By Blake A (Beaumont, TX) Reviewed for a 2012 GMC Sierra —5/29/2012 3:44 AM

this muffler has a great deep sound. It's not to loud but it's loud enough. Great product and great price at autoanything!

View More Reviews