Benz CLS550
before: 2009 MB CLS550 Resonator Bypass W/ X pipe, Regular $400 or Stainless $500
after: 2009 MB CLS550 Resonator Bypass W/ X pipe, Regular $400 or Stainless $500
2014 MB CLS550 Resonator Bypass with Straight Pipes, Regular $150 each or Stainless $200 each