BMW 530i LG Auto / BMW / BMW 530ibefore: 2004 BMW 530i Resonator Bypass W/ Y Pipe, Regular $250 or Stainless $300after: 2004 BMW 530i Resonator Bypass W/ Y Pipe, Regular $250 or Stainless $300before: 2018 BMW 530i Resonator Bypass W/ X-Pipe, Regular $400 or Stainless $500after: 2018 BMW 530i Resonator Bypass W/ X-Pipe, Regular $400 or Stainless $500before: 2018 BMW 530i Exhaust Muffler Bypass W/ Y-Pipe, Regular $350 or Stainless $450after: 2018 BMW 530i Exhaust Muffler Bypass W/ Y-Pipe, Regular $350 or Stainless $4502018 BMW 530i Exhaust Muffler Bypass With 3'' Piping, Regular $400 or Stainless $500Land Rover →