Universal Performance Muffler-2.5/2.5
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.
  • 3 Chamber Design
  • Perforated Core
  • All-Welded Lap-Joint Construction
  • 16 Gauge Stainless Steel
  • Powerful Sound
  • Perfect For Trucks
  • Limited Lifetime Warranty Against Manufacturing Defects

Application Summary:

Year Make/Model
1988-1993 Chevrolet C1500
1988-1993 Chevrolet C2500
1988-1993 Chevrolet K1500
1988-1993 Chevrolet K2500
1988-1993 GMC C1500
1988-1993 GMC C2500
1988-1993 GMC K1500
1988-1993 GMC K2500

Fast Efficient Shipping

Through our distribution network Deliveries can be as fast as Next Day Delivery.
Delivery times vary by destination, tracking information is provided with every purchase.

Get it Installed

JB's Power Centre offers on-site professional installation services in Calgary and Edmonton, AB.
We have on staff licensed Mechanical Technicians as well as MECP Certified 12-Volt Technicians.

* Extend your products Manufacturer Warranty

All products include a manufacturer warranty, but you can extend this warranty with
JB's Purchase Protection Plan
*Available on select products.