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DYNOMAX 39377 Specifications
Bend TypeMandrel
Body FinishNatural
Clamp TypeBand
Dimensions - Body Length22 in.
Dimensions - Pipe Diameter4 in.
Exit LocationAngle
Grade TypePerformance
Inlet Quantity1
Kit ContentsFront Pipe, Intermediate Pipes, Muffler, Tail Pipe, Tip, Clamps, Hangers
Mounting Hardware IncludedYes
Muffler FinishBare
Muffler MaterialStainless Steel
Muffler Quantity1
Muffler Type IncludedUltra Flo Welded
Outlet Quantity1
Oxygen Sensor Bung IncludedNo
Pipe FinishNatural
Pipe MaterialStainless Steel
Single or DualSingle
System StyleTurbo Back
Tip CutAngle
Tip Edge StyleRolled
Tip FinishPolished
Tip MaterialStainless Steel
Tip Outlet Size5
Tip Quantity1
Tip ShapeRound
Ultra Flo Welded Single System

Give your Dodge Ram 2500 or 3500's exhaust system an upgrade with a DynoMax® Ultra Flo® welded 4-in. single turbo-back exhaust system. Features a DynoMax Ultra Flo welded muffler that features Continuous Roving Fiberglass (CRF) to absorb unwanted interior resonance while maintaining a deep performance tone.


Features & Benefits:
  • COMPATIBILITY | Designed for 1994-2002 Dodge Ram 2500 and 3500; see product information for compatibility and engine specs
  • COMPLETE SOLUTION | Includes DynoMax Ultra Flo welded muffler, pipes, tip, hangers and clamps
  • EASY TO INSTALL | Direct-fit bolt-on pre-assembled solution with welded hangers, pipes and clamps for easy installation that doesn't require specialized fabrication and/or welding
  • IMPROVED FLOW CAPACITY | 4-in. Stainless-steel tubing with mandrel bends improves flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
  • SUPERIOR PERFORMANCE | Straight-through design ensures unrestricted exhaust flow and reduces back pressure; dyno proven to flow up to 2,200 SCFM
  • PREMIUM ACOUSTIC CONTROL | Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance while maintaining a deep performance tone
  • ENGINEERED TO LAST | Muffler features stainless-steel construction with a micro-finish for lifelong protection and 100% welded design for maximum durability
  • NOTES | 5-in. Outlet double wall, buffed and polished stainless-steel slant cut tip; 4-in. straight cut tail pipe
  • BUY WITH CONFIDENCE | Comes with DynoMax's limited lifetime warranty and exclusive 90-Day Performance & Sound Guarantee
Hear It Logo

For the best results DynoMax highly recommends using a good set of headphones or better than built-in computer speakers. Muffler sound is all about BASS. Cell phones and built-in computer speakers will not give you the true experience of the Muffler sound.


Super Turbo Ultra Flo Polished
Super Turbo Muffler Ultra Flo SS Muffler
❚❚❚❚❚❚❚❚❚❚
Mild
Sound Level
❚❚❚❚❚❚❚❚❚❚
Moderate
Sound Level
Ultra Flo Welded Race Bullet
 Ultra Flo Welded Muffler Race Bullet Muffler
❚❚❚❚❚❚❚❚❚❚
Aggressive
Sound Level
❚❚❚❚❚❚❚❚❚❚
Very Aggressive
Sound Level

*Sound clips generated from a 2010 Chevy Camaro SS on a cat-back system with 2.5" diameter pipes and 2.5" DynoMax mufflers.
Benefits of Purchasing an Exhaust System Kit

Replacing just a section of your exhaust system is less expensive up-front, but a complete Exhaust System Kit provides added benefits:

  • Extend Service Life: New clamps, gaskets and hangers (where applicable) prevent exhaust system leaks or damage that can occur when reusing old / incompatible hardware.
  • Reduce Install Time: All included parts are guaranteed to fit together seamlessly to ensure a smooth, problem-free installation.
  • Save Money: The cost of the complete kit is often less expensive than buying the components individually, and means you only have to do the job once.
Quantity Components that come in this kit
1 Muffler
DYNOMAX 17537 Ultra Flo Welded Universal (Modifications/Fabrication May Be Required) Info
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2 Pipe / Resonator
DYNOMAX 55144 Info
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1 Pipe / Resonator
DYNOMAX 53698 Info
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1 Pipe / Resonator
DYNOMAX 54670 Tail Pipe Info
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1 Pipe Spout / Tip
DYNOMAX 36477 Info
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2 Clamp
WALKER 35752 U Bolt Clamp; U-Bolt; Steel; 4" Pipe Diameter Info
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1 Hanger / Insulator
DYNOMAX 35966 Info
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1 Clamp
WALKER 36119 U Bolt Clamp; U-Bolt; Steel; 4" Pipe Diameter Info
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2 Clamp
DYNOMAX 33274 Mega-Clamp; Band, Lap Joint; Stainless Steel; 4" Pipe Diameter Info
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1 Exhaust Bracket
DYNOMAX 36269 Info
DYNOMAX 36269close
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1 Exhaust Bracket
DYNOMAX 36270 Info
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1 Hanger / Insulator
DYNOMAX 36371 Info
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90-Day Risk-Free Trial Offer

Try DynoMax premium exhaust products for 90 days*. If, for any reason, the qualifying products don't live up to your expectations during the trial period, replace the products and DynoMax will refund the original product's purchase price, plus labor (up to $50 per exhaust system).

SAFE & SOUND® GUARANTEE
90-Day, Risk-Free Trial Offer
Limited Lifetime Warranty

Learn More
SAFE & SOUND®
GUARANTEE

* Email warranty@driv.com with the original purchase receipt to claim offer. Offer limited to purchase of one (1) DynoMax VT Muffler, Ultra Flo SS Polished Muffler, Ultra Flo Welded Muffler, Super Turbo Muffler, or Stainless Steel Cat-Back System. This offer does not include units improperly installed or substituted. Valid only on vehicles used for private, non-commercial use and may be withdrawn at any time.

Additional Resources

Installation Instructions
OEM / Interchange Numbers: 19377

Warranty Information:
Muffler: Limited Lifetime. Pipes, Resonators & Straps: No Warranty
Warranty Details