3 options exhaust sytem modefication
hi guys, how you doing,, I want to ask you guys about something and i have 3 choice's, I want to see what do you think guys about that .. what is the best choice you think and why ,,, please help me with it because i want to know about your idea guys .. i have on my BMW M6 the Evosport exhaust system and Evosport pulleys.. i want to get one of this options:
evosport headers and ECU stage 2
kress-ing exhaust system ( basically change my exhaust to another but much better one ) its gonna cost around the same price of the evosport headers and ECU stage 2
option 3 ( the most expansive one )
change my exhaust system with RD package exhaust system which is :
RD Sport complete replacement system:
Front Pipes, RD Sport Race Mufflers with quad style 90mm tips, Software ( ECU ).
help me guys .... give me your idea.. what do you think its gonna be the best .. what gonna give me more hours power and nice sound .. or nice and amazing sound .. if some one have had an experience with any of the options it will be grate if he share the information and his experience ..