The MagnaFlow XL 4 X 9in. Oval Multi-Chamber Performance Exhaust Muffler 13266 features a straight-through, weight-optimized reversible design with a perforated stainless steel core featuring baffles and tuning gates, enabling it to deliver the powerful signature sound and dyno-proven performance that's made MagnaFlow a household name. Muffler 13266's oval-shaped, 4x9x18in. body and universal 2.5/2.5in. diameter inlet/outlet layout enables flexible installation options to match the spacing requirements of your vehicle. Professional installation is highly recommended. 13266 is produced using advanced CNC precision robotic manufacturing techniques and features durable, corrosion resistant stainless-steel construction, all backed by MagnaFlow's limited lifetime warranty.

This Part Fits:

Year	Make	Model	Submodel
1988-1993	Chevrolet	C1500	Cheyenne
1988-1992	Chevrolet	C1500	Scottsdale
1988-1993	Chevrolet	C1500	Silverado
1990-1993	Chevrolet	C1500	WT
1988-1993	Chevrolet	C2500	Cheyenne
1988-1992	Chevrolet	C2500	Scottsdale
1988-1993	Chevrolet	C2500	Silverado
1988-1993	Chevrolet	K1500	Cheyenne
1988-1992	Chevrolet	K1500	Scottsdale
1988-1993	Chevrolet	K1500	Silverado
1991	Chevrolet	K1500	Sport
1990-1993	Chevrolet	K1500	WT
1988-1993	Chevrolet	K2500	Cheyenne
1988-1992	Chevrolet	K2500	Scottsdale
1988-1993	Chevrolet	K2500	Silverado
1988-1993	GMC	C1500	Sierra
1988-1993	GMC	C1500	Sierra SLE
1988-1993	GMC	C1500	Sierra SLX
1988-1993	GMC	C2500	Sierra
1988-1993	GMC	C2500	Sierra SLE
1988-1993	GMC	C2500	Sierra SLX
1988-1993	GMC	K1500	Sierra
1988-1993	GMC	K1500	Sierra SLE
1988-1993	GMC	K1500	Sierra SLX
1993	GMC	K1500	Sierra Sport
1988-1993	GMC	K2500	Sierra
1988-1993	GMC	K2500	Sierra SLE
1988-1993	GMC	K2500	Sierra SLX