Quick view MBRP MBRP 11-14 Ford Mustang GT 5.0L 3in H-Pipe T409 Exhaust System *Use w/ Factory Cats* - S7263409 Compare $222.34 $179.99 RELIABILITY BACKED FOR A LIFETIME - ARMOR PLUS Series exhaust systems are crafted from corrosion-resistant T409 Stainless Steel - a value-oriented material designed to protect from penetrating rust and will stand up to almost anything you can throw at it... Add to Cart Add to Cart