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Availability: Special Order*
SKU: 13266
Manufacturer: Magnaflow
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$142.00

The MagnaFlow 4" X 9" Oval XL Multi-Chamber 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.

MagnaFlow XL Mufflers use a unique combination of large diameter perforated tubing and strategically placed sound baffles to reduce unwanted resonance and help your engine create horsepower. The sound baffles tune the sound waves using calibrated tuning gate openings that allow portions of the waves to pass through. These tuned waves reflect off the back wall of the muffler and cancel out unwanted harsher sounds. The large diameter perforated core eliminates the flow restrictions of a louvered style core. A careful balance between perforation size/spacing and the baffle tuning gate make for a great 3 chamber performance muffler.

XL Mufflers are a reversible reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow.

XL Mufflers are reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow.

XL 3 Chamber Muffler; 4 x 9 in. Oval Body; 2.5 in. Inlet/Outlet; 18 in. Body/24 in. Overall Length; Offset/Offset; Satin Stainless Steel;

Exhaust|MagnaFlow|Muffler|Performance|Performence|Mufller|Mufler|Stainless

Universal Performance Muffler - 2.5/2.5

MagnaFlow Muffler Trb SS 4X9 18 2.5/2.5

Muffler Trb SS 4X9 18 2.5/2.5

Universal Muffler

Exhaust Muffler

Multi-Chamber

ExhMuffler

25173702

Exhaust

The MagnaFlow 4" X 9" Oval XL Multi-Chamber 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.

MagnaFlow XL Mufflers use a unique combination of large diameter perforated tubing and strategically placed sound baffles to reduce unwanted resonance and help your engine create horsepower. The sound baffles tune the sound waves using calibrated tuning gate openings that allow portions of the waves to pass through. These tuned waves reflect off the back wall of the muffler and cancel out unwanted harsher sounds. The large diameter perforated core eliminates the flow restrictions of a louvered style core. A careful balance between perforation size/spacing and the baffle tuning gate make for a great 3 chamber performance muffler.

XL Mufflers are a reversible reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow.

XL Mufflers are reflection style mufflers using a combination of perforated tubing and baffles to reduce unwanted resonance and increase exhaust flow.

XL 3 Chamber Muffler; 4 x 9 in. Oval Body; 2.5 in. Inlet/Outlet; 18 in. Body/24 in. Overall Length; Offset/Offset; Satin Stainless Steel;

Exhaust|MagnaFlow|Muffler|Performance|Performence|Mufller|Mufler|Stainless

Universal Performance Muffler - 2.5/2.5

MagnaFlow Muffler Trb SS 4X9 18 2.5/2.5

Muffler Trb SS 4X9 18 2.5/2.5

Universal Muffler

Exhaust Muffler

Multi-Chamber

ExhMuffler

25173702

Exhaust

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Vehicle Fitment

Chevrolet

    C1500

      1993 Cheyenne - 1993 Silverado - 1993 WT - 1992 Scottsdale - 1992 WT - 1992 Silverado - 1992 Cheyenne - 1991 Scottsdale - 1991 WT - 1991 Cheyenne - 1991 Silverado - 1990 WT - 1990 Scottsdale - 1990 Silverado - 1990 Cheyenne - 1989 Cheyenne - 1989 Scottsdale - 1989 Silverado - 1988 Silverado - 1988 Scottsdale - 1988 Cheyenne

    C2500

      1993 Cheyenne - 1993 Silverado - 1992 Cheyenne - 1992 Silverado - 1992 Scottsdale - 1991 Cheyenne - 1991 Silverado - 1991 Scottsdale - 1990 Silverado - 1990 Scottsdale - 1990 Cheyenne - 1989 Cheyenne - 1989 Scottsdale - 1989 Silverado - 1988 Silverado - 1988 Scottsdale - 1988 Cheyenne

    K1500

      1993 Cheyenne - 1993 Silverado - 1993 WT - 1992 Scottsdale - 1992 Cheyenne - 1992 Silverado - 1992 WT - 1991 Scottsdale - 1991 WT - 1991 Sport - 1991 Silverado - 1991 Cheyenne - 1990 WT - 1990 Cheyenne - 1990 Silverado - 1990 Scottsdale - 1989 Scottsdale - 1989 Silverado - 1989 Cheyenne - 1988 Cheyenne - 1988 Scottsdale - 1988 Silverado

    K2500

      1993 Cheyenne - 1993 Silverado - 1992 Cheyenne - 1992 Silverado - 1992 Scottsdale - 1991 Cheyenne - 1991 Silverado - 1991 Scottsdale - 1990 Cheyenne - 1990 Scottsdale - 1990 Silverado - 1989 Scottsdale - 1989 Silverado - 1989 Cheyenne - 1988 Cheyenne - 1988 Silverado - 1988 Scottsdale

GMC

    C1500

      1993 Sierra - 1993 Sierra SLE - 1993 Sierra SLX - 1992 Sierra - 1992 Sierra SLE - 1992 Sierra SLX - 1991 Sierra SLE - 1991 Sierra - 1991 Sierra SLX - 1990 Sierra - 1990 Sierra SLE - 1990 Sierra SLX - 1989 Sierra SLX - 1989 Sierra SLE - 1989 Sierra - 1988 Sierra - 1988 Sierra SLE - 1988 Sierra SLX

    C2500

      1993 Sierra - 1993 Sierra SLE - 1993 Sierra SLX - 1992 Sierra - 1992 Sierra SLX - 1992 Sierra SLE - 1991 Sierra - 1991 Sierra SLE - 1991 Sierra SLX - 1990 Sierra - 1990 Sierra SLE - 1990 Sierra SLX - 1989 Sierra SLE - 1989 Sierra - 1989 Sierra SLX - 1988 Sierra - 1988 Sierra SLE - 1988 Sierra SLX

    K1500

      1993 Sierra - 1993 Sierra SLE - 1993 Sierra SLX - 1993 Sierra Sport - 1992 Sierra SLX - 1992 Sierra - 1992 Sierra SLE - 1991 Sierra - 1991 Sierra SLE - 1991 Sierra SLX - 1990 Sierra - 1990 Sierra SLX - 1990 Sierra SLE - 1989 Sierra SLE - 1989 Sierra - 1989 Sierra SLX - 1988 Sierra - 1988 Sierra SLE - 1988 Sierra SLX

    K2500

      1993 Sierra - 1993 Sierra SLE - 1993 Sierra SLX - 1992 Sierra SLX - 1992 Sierra SLE - 1992 Sierra - 1991 Sierra - 1991 Sierra SLX - 1991 Sierra SLE - 1990 Sierra - 1990 Sierra SLE - 1990 Sierra SLX - 1989 Sierra - 1989 Sierra SLE - 1989 Sierra SLX - 1988 Sierra - 1988 Sierra SLE - 1988 Sierra SLX
*we take fitment seriously and have invested heavily into matching products to your vehicle, but it is up to the end user to confirm products are suitable for their vehicle, legal for them to use for the purposes they intend, and verify fitment upon installation. Many opened products may not be returned, so if fitment is in question, please contact us before ordering. We are not resonsible for any costs incurring from a product not being suitable to an end users application.