My exhuast has i believe a 3'' pipe from the stock header to the cat, then from there it goes to a 2'' y pip and then 3''exhuast with with 2'' inlett. i dont know what kind of exhuast they are but are so very loud and anoying! i dont have much money so what can i do to make that as quiet as possible? can anyone help me?

thank you! Marcos


p.s. i also have two 4'' megan racing exhuast with 3'' inlett. can i sinlge exhuast my Rx7 with thatfor less noise?