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The Borla S‑Type axle‑back exhaust replaces the rear section on 2005–2009 Ford Mustang GT 4.6L V8 and fits certain 2007–2009 Shelby GT500 rear configurations, delivering a bolt‑on upgrade that improves exhaust flow. It uses Borla’s S‑Type mufflers and a 2.5" diameter piping layout tuned to reduce interior drone. Made from T‑304 stainless steel, the system is lighter than stock, features single 4" round polished tips on each muffler and is engineered for enhanced flow and sound while preserving street manners.
Borla 05-09 Mustang GT 4.6L V8 SS Aggressive Exhaust (rear section only)
