Top 10 Best Dual In Dual Out Muffler [2025]

40805 number of user reviews were available online, which we scanned to find the . Hopefully, our experts suggestions available in this article will help you find your ideal choice.
NoProductScoreAction
1Black Widow Race Venom 3" in 2.5" Out Muffler Single/Dual9.8Buy On Amazon
2Flowmaster 530504 3"In(D)/2.5"Out(D) 50 Series Muffler Bb9.8Buy On Amazon
3Flowmaster 8525454 Super 40 Series 2.50" Dual in and Out 16 Gauge 409S Stainless Steel Exhaust System Black9.4Buy On Amazon
4NEW FLOWMASTER SUPER 10 SERIES CHAMBERED MUFFLER9.4Buy On Amazon
5Flowmaster 42583 2.5 In(O)/Dual Out 80 Series Muffler9.2Buy On Amazon
6NEW FLOWMASTER SUPER 44 SERIES CHAMBERED MUFFLER9Buy On Amazon
7Jones Exhaust Dualin/Out 21/48.8Buy On Amazon
8TOTALFLOW Polished 542515-2 409 Stainless Steel Single Chamber Universal Muffler 2.5" Center in / 2.25" Dual Out8.6Buy On Amazon
9NEW FLOMASTER SUPER 10 SERIES CHAMBERED MUFFLER8.6Buy On Amazon
10MagnaFlow 4in x 9in Oval Dual/Dual Performance Muffler Exhaust 11386 - Straight-Through8.4Buy On Amazon
Disclaimer: As An Amazon Associate I Earn From Qualifying Purchases.

1. Black Widow Race Venom 3″ in 2.5″ Out Muffler Single/Dual

  • Designed to deliver trouble-free, consistent performance
  • Right for your vehicle and lifestyle
  • Made from high-quality materials for ultimate durability
  • Manufactured to meet or exceed strict quality requirements
  • If you have any questions or need fitment information for your vehicle, please contact with us

2. Flowmaster 530504 3″In(D)/2.5″Out(D) 50 Series Muffler Bb

  • Minimal interior resonance
  • Mild to stock exterior exhaust tone
  • Excellent choice for large displacement vehicles
  • Improved Horsepower, Torque and Engine Efficiency
  • MIG welded for maximum durability

3. Flowmaster 8525454 Super 40 Series 2.50″ Dual in and Out 16 Gauge 409S Stainless Steel Exhaust System Black

  • Excellent performance on high horsepower vehicles
  • Noticeable interior resonance
  • Deep Aggressive Sound Exhaust Note
  • Durable fully welded 409SS stainless steel
  • Easy Installation

4. NEW FLOWMASTER SUPER 10 SERIES CHAMBERED MUFFLER

  • Brand New Flowmaster Super 10 Series Chambered Muffler, 3.
  • Super 10 Series 409S stainless steel, single chamber mufflers.
  • These mufflers utilize the same patented Delta Flow technology that is found in other Flowmaster Super series mufflers to deliver maximum performance.
  • Features: Intended only for off-road or race applications | Delta Flow Technology | 409SS Stainless Steel Construction | Super 10 Sound Level.
  • NOTE: Universal Muffler – Some adaptation may be required.

5. Flowmaster 42583 2.5 In(O)/Dual Out 80 Series Muffler

  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable interior resonance
  • The original two chamber design
  • Cross Flow Applications
  • MIG welded for maximum durability

6. NEW FLOWMASTER SUPER 44 SERIES CHAMBERED MUFFLER

  • Brand New Flowmaster Super 44 Series Chambered Muffler, 3.
  • Flowmaster Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers.
  • Features: Race proven Delta Flow technology | Recent 2 chamber improvement | Noticeable interior resonance | Deep Aggressive Sound Exhaust Note.
  • NOTE: Universal Muffler – Some adaptation may be required.

7. Jones Exhaust Dualin/Out 21/4

  • GREAT PRODUCTS

8. TOTALFLOW Polished 542515-2 409 Stainless Steel Single Chamber Universal Muffler 2.5″ Center in / 2.25″ Dual Out

  • Universal single chamber Race street Muffler 2.
  • Constructed with durable polished 409 Stainless Steel, fully MIG welded for long life
  • Aggressive sound exterior exhaust tone, noticeable interior resonance
  • Universal Muffler -not a direct fit. Some adaptation required.
  • 2.5 inch Center muffler
  • 2.25 inch Dual muffler
  • Made from heavy gauge material. TOTALFLOW is a USA – California based company

9. NEW FLOMASTER SUPER 10 SERIES CHAMBERED MUFFLER

  • Brand New Flowmaster Super 10 Series Chambered Muffler, Black Paint Finish, 2.
  • Flowmaster latest version of its popular Super 10 Series muffler is now offered in a crossflow design.
  • Features: Flowmaster Chambered Technology | Flowmaster Reliability | Most Aggressive Tone Available | Stainless Steel Construction.
  • NOTE: Universal Muffler – Not a direct fit. Some adaptation required.

10. MagnaFlow 4in x 9in Oval Dual/Dual Performance Muffler Exhaust 11386 – Straight-Through

  • BRUSHED SATIN FINISH – The brushed satin finish of this universal performance muffler will upgrade the appearance of your vehicle’s exhaust system thanks to its premium aesthetic.
  • DEEP SIGNATURE MAGNAFLOW SOUND – This universal muffler is engineered to produce the deep resonant exhaust tone that MagnaFlow is famous for.
  • UNIVERSAL FIT – The universal configuration of this performance muffler means that cutting, fabrication and/or welding may be required.
  • STAINLESS STEEL CONSTRUCTION – Highly corrosion resistant, stainless steel construction incorporating CNC precision robotic manufacturing for quality fitment and longevity.
  • LIMITED LIFETIME CONSTRUCTION WARRANTY – Performance that lasts.