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Ford Performance M-5230-GTB - Ford Performance Axle-Back Exhaust Kits

Ford Performance M-5230-GTB - Ford Performance Axle-Back Exhaust Kits

JEGS Part Number: 397-M-5230-GTB

Axle-Back Exhaust System
  • 2005-09 Mustang GT
  • T409 Stainless Steel
  • 3.5" Polished Tips

    Ford Performance M-5230-GTB - Ford Performance Axle-Back Exhaust Kits Details


  • Fits 2005-2009 Mustang GT
  • Muffler used as standard equipment on the 2008 Mustang Bullitt
  • Throatier exhaust note
  • Aluminized 409 stainless steel corrosion-resistant body with a polished 304 stainless 3.5" diameter tips
  • 50-States drive-by noise legal

  • Axle-Back Exhaust Systems from Ford Racing are engineered to maximize flow because more efficient exhaust flow directly translates into power gains across the board! Made in the USA.

  • Made from T304 or T409 Stainless Steel for Superior Durability
  • Easy Installation Guarantees Quick Power Gains
  • Most Applications 50-State Legal

  • Ford Performance 397-M-5230-GTB

    Inlet Size (in.)
    Outlet Size (in.)
    304 Stainless Steel
    Body Height (in.)
    Overall Length (in.)
    Inlet Type
    Single Offset Inlet
    Outlet Type
    Single Offset Outlet
    Body Width (in.)
    Body Length (in.)
    Inlet Position
    Outlet Position
    Manufacturer's Part Number:
    Rated 3 out of 5 by from M-5230-GTB Ford Quality M-5230-GTB is the replacement for M-5230-GTA. The A mufflers were a deeper sounding Mustang GT Muffler for the Bullet GT cira 2008. The A was prone to failure due to poor weld quality or design at the hanger studs welded to the muffler sheet metal lip. It failed due to corrosion, dissimilar metals or just plain weak. So the B was designed to add a support add-on piece extending the stud and weld from the lip to the muffler end surface. This was a cheap repair to the existing A design and it looks bad with metal spatter and uneven heat affected area. The B is stronger but I don't know how long it will last due to corrosion. Jegs was excellent, fast accurate,etc. It is the product I have doubts about.
    Date published: 2015-10-09
    • 2015-11-30T11:37CST
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