Borla S Type Crate Muffler 5.3

[lebag335]

I have discovered that Borla has crate mufflers for the 5.3. I’m wondering for my ‘20 AT4 with the 5.3 if I can just swap out the muffler only and have a pleasant result? Will I lose any low-end torque, or will there be loud drone in the cabin? The muffler is about $270 which is much cheaper than the complete Borla exhaust system! Thoughts?

[Elevated]

I'm with you on this!  Interested to find out the answer. 

 

I'm not 100% sure on our trucks but almost all stock exhaust is stainless steel now a days.  No need to replace the piping in my application.

 

Do you have a part#

[lebag335]

I think this one, but I’m not sure!
 

https://www.borla.com/products/cratemuffler-400843

[204Denali]

I have the 6.2 and did custom, but when I looked it could definitely be done simply swapping mufflers and I have seen plenty of posts by those wit the 5.3 doing just that.

 

Keep in mind the piping is 3", so you will need to weld in I'd guess 2' worth of pipe to ensure no size reduction/restriction occurs