[rubyM3]

What are some good well-known shops in MA?

Looking to have bmw compettion carbon fiber front splittlers installed and rear trunk spolier cabrbon fiber (oem painted spolier removed)?

Also will considering an exhaust upgrade and fix exhaust leak, according to bmw gallery the header gaskets need to be replaced. They quoted $500 just to replace gaskets...

New tires/balance

thanks in advance!