Gibson Performance Exhaust 55122S | Exhaust Muffler

Part Number
Gibson Performance Muffler; Stainless Steel; 4 x 9 in. Oval Body; 2.5 in. Center Inlet/Offset Outlet; Shell L-13 in.; Total L-19 in.
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CFT Superflow Center/Offset Oval Muffler; Stainless

Gibson CFT Muffler actually tunes your exhaust by using resonance chambers, directional louvered tuning ports and angular induction to draw exhaust gases into the muffler and expel it at a higher velocity. They feature a Chambered and louvered core, Non-packed muffler to ensures no sound degradation overtime and fully welded solid internal construction, This result delivers more power with a deep tone. Reversible.


  • Fully Welded Stainless Steel Construction
  • Louvered and Chambered Design
  • Maximum Exhaust Flow
  • Increased Power
  • Better Volume Efficiency
  • Unrestricted Flow
  • Lifetime Limited Warranty


Body Length:13.000 in.
Inlet Inside Diameter:2.500 in.
Inlet Outside Diameter:2.250 in.
Inlet Position:Center
Material:Stainless Steel
Outlet Position:Offset
Outlet Type:Single
Overall Length:19.000 in.
Tip Quantity:0
WARNING CA Proposition 65:Yes
WARNING CA Proposition 65 Message:WARNING: Motor vehicles contain fuel; oils and fluids; battery posts; terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer; birth defects and other reproductive harm. These chemicals are found in vehicles; vehicle parts and accessories; both new and as replacements. When being serviced; these vehicles generate used oil; waste fluids; grease; fumes and particulates; all known to the State of California to cause cancer; birth defects; and reproductive harm.



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