are glass packed mufflers any good? What have u guyz heard about them

 

for the first two or three month they would do a decent job cutting down the noise.

you will sell little pieces of glass/fiber is getting wasted/destroyed and fly out of your muffler, and now you have a hollow race pipe


invest in some quality resonator if i were you, mangaflow 18 inch/22inch would do the job

 

Agreed, leave the glass packs for the V8 boys and get something better.

 

Now Cherry Bombs have worked great and lasted for a long time on my Chevelle; what makes you think it's gonna crap out on a little 4-cylinder?