BMW 528i
before: 2008 BMW 528i Muffler Bypass, Regular $150 or Stainless $200
after: 2008 BMW 528i Muffler Bypass, Regular $150 or Stainless $200
2008 BMW 528xi Exhaust Magnaflow Muffler $450
before: 2013 BMW 538xi Exhaust Resonator Bypass, Regular $150 or Stainless $200
after: 2013 BMW 538xi Exhaust Resonator Bypass, Regular $150 or Stainless $200
Before: 2000 BMW 528i Nissan OEM Resonator Fabrication & Weld $500
after: 2000 BMW 528i Nissan OEM Resonator Fabrication & Weld $500