well after a few days of researching on this board for the right muffler for my truck i decided to go with the hooker aerochamber. i must say, i can't be more happy!! the truck sounds great, and it isn't too crazy! anyone with a stock motor that is thinking of putting a cheap exhaust on, i suggest this muffler. i used to have a 2000 ecsb 5.3 4x4 with a dynomax bullet and it was too loud in the car!! the aerochamber is perfect!

one question i have not related to the muffler, what is the part number for the ngktr55 spark plugs? i would like to pic up a set this weekend. thanks for any help!!

 

That is the # of the spark plug. NGK TR55.

 

The stock number is 3951. That's what a parts store would normally go by, but they should be able to figure out the tr55 part too.

 

BTW ... congrats on the Hooker. I wouldn't preach them if I didn't believe in them too.

 

do you still have your cats??? if you do, then you have to ditch them, hookers sounds about 10x better without cats and still with no drone in the cab!!!! I like my hooker too!!

 

i like mine also, starting 2 get a lil louder now
post some sound clips of yours

 

yeah i still have the cats on, and it still sounds great! i think im gonna leave them on, this is my daily driver so i don't want it too loud, thats what my camaro is for! btw thanks for the part number for the plugs!! these tr55s are ok to use on a stock motor right?

 

Yes, the TR55s are good to use on a stock motor. I use them on my '02 and I've seen in the owner's manual and 2 other places that GM recommends a NGK PZTR-5A15 or equivalent. Also, they're almost a third of what you'd pay for AC Delco Platinums.

 

I just bought a Hooker today. Bye, Bye Flowmaster!!

 

Great choice on the hooker!! I have one with no cats i love it!