Benz GLK350before: 2011 Benz GLK 350 Resonator Bypass, Regular $150 each or Stainless Steel $200 eachafter: 2011 Benz GLK 350 Resonator Bypass, Regular $150 each or Stainless Steel $200 eachbefore: 2012 Mercedes Benz GLK350 Exhaust Sleeve Bypass, Regular $125 each or Stainless Steel $150 eachafter: 2012 Mercedes Benz GLK350 Exhaust Sleeve Bypass, Regular $125 each or Stainless Steel $150 eachLand Rover →