I just put an MR header and Cat-delete today mated to my existing one ball mod. After 10 minutes of driving my muffler has died and sounds like there is no baffling and is insanely loud. Im going to pickup a used alta tomorrow but Im wondering if it will do the same to it or will it continue to sound this loud and terrible?

 

Pretty sure it will remain loud as long as you dont have a cat. MAybe try fitting a hiflow cat

 

I reinstalled my factory cat until hiflow finds its way in to my budget

 

i ran a obx header and no cat for 2 years with the alta exhaust and had no trouble at all . i sold the car with that setup last year.