• about-mufflex

    MUFFLEX PERFORMANCE

    Welcome to Mufflex Performance! We have been serving our customers and the auto performance industry since 1977.

  • product-1

    5.7 V8 HEMI REAR MUFFLER BYPASS

    This is a Rear Muffler Bypass for Dodge the 2011 Durango 5.7 V8 Hemi. It is a full bolt on kit that requires no welding and can be done by the vehicle owner.

  • product-2

    DODGE RAM 1500 5.7 HEMI EXHAUST

    This is a do it yourself Muffler retrofit kit for the 2009 to Present Dodge 1500 5.7 Hemi truck. Why change the complete cat-back when the factory dual tailpipe system is already made of a 409 grade of stainless steel?