Borla 4" x 9.5" x 19" Oval Notched Pro-XS Muffler, 2.5" Center/Offset Universal Fit, 2014-2024 GMC Sierra 1500

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Our Price: $145.99
Frequently bought together:


  • Notched necks for Easy Clamp-On Installation
  • Reversible Design for Installation Flexibility
  • Made From T-304 Austenitic Stainless Steel
  • 100% Welded Construction for Strength
  • Free Flow Design for Improved Performance
  • High-Temp Continuous-Filament Fiber Acoustic Material for Sound Control
  • Made in the USA
  • Million-Mile Warranty


  • In/Out Diameter: 2.5"/2.5"
  • Configuration: Center/Offset
  • Overall Length: 24"
  • Finish: Natural Mill Finish
  • Case Size/Shape: 4"H x 9.5"W x 19"L Oval
  • Connection: Notched (connects via clamps)


Note: Professional installation is highly recommended. Borla and/or Phastek are not responsible for damage to your vehicle.

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Part Number: 400484

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Warranty Information

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