Dynomax 39495 Exhaust System Kit
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Dynomax
 Ultra Flo Welded Single System

Dynomax 39495 Exhaust System Kit

Brand Dynomax 39495
1
1
2
Angle
Band
No
Polished
Rolled
Bend Type Mandrel
Body Finish Natural
Body Length 20
Clamp Count 2
Clamp Type Band
Class PD
Exhaust Type Single
Exit Location Angle
Exit Position Angle
Exit Style Straight
Finish Aluminized
Grade Type Performance
Inlet Inside Diameter 3.000 in.
Kit Contents Intermediate Pipe, Muffler, Tail Pipe, Tip, Clamps
Material Stainless Steel
Max Year Covered 2013
Min Year Covered 2009
Most Popular Make/Model Chevrolet Silverado 1500
Most Popular Year 2011
Mounting Hardware Included Yes
Muffler Body Finish Bare
Muffler Body Material Stainless Steel
Muffler Count 1
Muffler Finish Bare
Muffler Material Stainless Steel
Muffler Quantity 1
Muffler Type Straight-Through
Muffler Type Included Ultra Flo Welded
Outlet Outside Diameter 3.000 in.
Oxygen Sensor Bung Included No
Pipe Diameter 3
Pipe Finish Natural
Pipe Material Stainless Steel
Pipe Material Stainless Steel
Product Grade Premium
Single or Dual Single
System Style Cat Back
System Type Cat Back
System Type Single
Tail Pipe Diameter 3.000 in.
Tip Diameter 4.000 in.
Tip Material Stainless Steel
Tip Outlet Size 4
Tip Outlet Size 4.000 in.
Tip Shape Round
Total Part VIO 1856123
Tubing Diameter 3.000 in.
Product line Ultra Flo Welded Single System
Fits Chevrolet and GMC · 20 vehicles

Bolt-on installation. Easy to install with no modifications needed.

Straight-through design. Delivers unrestricted flow and a deep performance tone.

Stainless steel construction. Built with welded durability for long-lasting performance.

$438.23Free shipping
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Order total $438.23
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Dynomax Ultra Flo Welded Cat-Back System

Dynomax Ultra Flo Welded part number 39495 is a stainless steel cat-back exhaust system built for the 2009-2013 Chevrolet Silverado 1500 and 2009-2013 GMC Sierra 1500 with single exhaust. It uses a straight-through muffler design and mandrel-bent tubing to support freer exhaust flow while maintaining a deep performance tone.

The Ultra Flo Welded line focuses on welded stainless construction and internal resonance control through Continuous Roving Fiberglass (CRF) technology. For Silverado 1500 and Sierra 1500 owners searching for a 3-inch cat-back exhaust system, 39495 provides a direct-fit performance upgrade with a round tip and angle exit layout.

  • Fits 2009-2013 Chevrolet Silverado 1500, N/A
  • Fits 2009-2013 GMC Sierra 1500, N/A
  • 3-inch pipe diameter with single-exhaust system layout
  • Stainless steel pipe and muffler construction
  • Straight-through Ultra Flo Welded muffler design
  • Mandrel-bent tubing for consistent exhaust path geometry
  • Round tip with angle exit style
  • Includes intermediate pipe, muffler, tail pipe, tip, and clamps

Performance and Fitment Details

Part number 39495 is built as a cat-back system, replacing the exhaust from the catalytic converter back on the specified Chevrolet Silverado 1500 and GMC Sierra 1500 applications. The 3-inch inlet and outlet sizing, single-exhaust configuration, and stainless steel materials make it a practical choice for drivers looking for a 2009-2013 Silverado 1500 exhaust upgrade or a 2009-2013 Sierra 1500 cat-back exhaust with a performance-oriented sound profile.

This part cross-references no listed alternate part numbers in the provided data.

Common Problems This System Can Address

  • Restrictive factory exhaust flow on a 2009-2013 Chevrolet Silverado 1500
  • Muted exhaust tone on a 2009-2013 GMC Sierra 1500
  • Corrosion concerns from aging exhaust components
  • Need for a direct-fit single-exhaust cat-back replacement
  • Interior drone from poorly tuned aftermarket exhaust setups

Installation Notes

39495 is a bolt-on exhaust system for the listed applications. Verify vehicle year, make, model, and single-exhaust configuration before installation. The system uses band clamps and is designed around the specified fitment for 2009-2013 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks.

Quality Assurance

Dynomax backs the Ultra Flo Welded muffler design with a Limited Lifetime Warranty and a 90-Day Performance & Sound Guarantee. The welded stainless construction and CRF technology are part of the Ultra Flo Welded product line’s focus on durability and controlled exhaust tone.

Related reading

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersWheel BasePositionNotes
2013ChevroletSilverado 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2013ChevroletSilverado 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2013GMCSierra 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2013GMCSierra 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2012ChevroletSilverado 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2012ChevroletSilverado 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2012GMCSierra 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2012GMCSierra 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2011ChevroletSilverado 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2011ChevroletSilverado 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2011GMCSierra 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2011GMCSierra 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2010ChevroletSilverado 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2010ChevroletSilverado 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2010GMCSierra 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2010GMCSierra 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2009ChevroletSilverado 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2009ChevroletSilverado 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2009GMCSierra 15005.3LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System
2009GMCSierra 15004.8LV8143.5"N/AUltra Flo Welded System; with Single Exhaust; Ultra Flo Welded Single System