Audi RSbefore: 2013 Audi RS5 Exhaust Resonator Bypass, Regular $150 each or Stainless $200 eachafter: 2013 Audi RS5 Exhaust Resonator Bypass, Regular $150 each or Stainless $200 eachbefore: 2007 Audi RS4 Exhaust Resonator Bypass W/ H-Pipe, Regular $400 or Stainless $500after: 2007 Audi RS4 Exhaust Resonator Bypass W/ H-Pipe, Regular $400 or Stainless $5002013 Audi RS5 Exhaust Resonator Bypass W/ X-Pipe, Regular $400 or Stainless $500Land Rover →