mufflers

[GMANIAC 2]

What are the best flowmaster muffler for the 5.3 avalanche, single in, dual out without losing too much lowend torque.  I am deciding on the 50 or 70 series deltas.  The 40 series are a tad louder than what i need.

[2k2TahoeSS]

i just bought 50 series SUV.  I LOVE THE SOUND.  The lowend torque went to cr@p the first day or so, but im certain that the car "learned" about this difference, and now it rides better.  the 50s are the way to go.  70s are too quiet.  Iniside the truck isnt bad at all.  with windows up, bearly even notice it.

 

Ben

[psychoticide]

Go with the 50's !  They're grrrrrreat!   :thumb:

[corey145]

Does anyone know what series mufflers come in both the american thunder kit and the force II kit.  I have a 2002 5.3 ext cab z71 and want some more sound and performance but not too loud.  I am told to go with 50's.  What kit do they come in.

[razor]

Does anyone know what series mufflers come in both the american thunder kit and the force II kit.  I have a 2002 5.3 ext cab z71 and want some more sound and performance but not too loud.  I am told to go with 50's.  What kit do they come in.

thats what i have the ForceII 50 serieson my 01 5.3.first it was mellow but now theyre starting to get loud...... :thumb: