White1 did the same thing and it is funny as hell. I got in it and cranked it and was like **** its not running LMAO

 

yup, did the muffler swap on the z71 today and im loving it!! its so nice to cruise down the highway and be so so quiet....

 

Damn, missed this thread. I love mine Just need to get my electric cutout fixed. My fat *** hates crawling under the truck to open it when needed

 

Anyone have any reports of horsepower lost with the stock muffler? I have longtubes, no cats, going into a stock catback with a 24 inch long Hooker Aerochamber welded in place of the original muffler. It used to be nice and rumbly. Now with the headers its just to loud sometimes. When I want it loud it sounds awesome, but its loud and resonating anytime else. Kinda wierd but 65 mph sounds twice as loud as 60 mph. I still have my stock muffler, thinking of using that or ordering a Flo-Pro.

 

I did for a little while before I pulled the headers. I had LTs with the stock muffler. It sounded just like an old caddy. I had a cutout right infront of the stock muff for when I wanted to be obnoctious.

You will loose power with the stock muff

 

A 24" Aerochamber? Didn't know they made them that long. My Aerochamber got a little raspy when I cut the cats off. Sounds great, still not to loud and has very little drone. But, Friday my Corsa goes on!!!

 

It was a direct replacement muffler for OBS trucks. It fit pretty good with a short piece of pipe. The drone isnt too bad sometimes but I would rather have it quieter while accellerating slowly or cruising. Sounds awesome at WOT. I am trying to do a little research on Flo-Pro mufflers, might be something I go with.