Flowmaster 42543 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
Flowmaster 42543 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound
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Flowmaster

Flowmaster 42543 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound

4.8 stars out of 9 reviews
(4.8)|
9 ratings
Car
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Key item features

  • Durable Construction: Made from fully welded 16 gauge aluminized steel for maximum durability.
  • Aggressive Sound: Delivers an aggressive exterior exhaust tone for a powerful sound experience.
  • Interior Resonance: Noticeable interior resonance enhances the driving experience.
  • Versatile Application: Ideal for street, strip, and off-road applications.
  • Original Design: The 40 Series muffler provides the classic Flowmaster sound.
  • Offset In/Out: Features 2.50 offset inlet and outlet for easy installation.
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Current price is Now $91.75
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was $101.95
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Columbus, 43215
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Comparison Chart:
Vehicle model42543Flowmaster 42543 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive SoundTAHOEFlowmaster 43043 40 Series Muffler - 3.00 Offset In / 3.00 Offset Out - Aggressive SoundMustangFlowmaster 842518 Super 10 Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive SoundF150Flowmaster 942548 Super 44 Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive SoundMUSTANG SHELBY GT500Flowmaster 8430452 Super 44 Series Muffler 409S - 3.00 Center In / 2.50 Dual Out - Aggressive Sound-Flowmaster 71249 FlowFX Muffler 3" Center Inlet/3" Center Outlet - Moderate Sound 409 Stainless SteelGMT-400Flowmaster 430402 40 Series Muffler - 3.00 Center In / 2.50 Dual Out - Aggressive Sound942543Flowmaster 942543 40 Delta Flow Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive SoundFLW42542Flowmaster 42542 40 Series Muffler - 2.50" IN(C)/OUT(O) - Aggressive Sound953047Flowmaster 953047 Super 40 Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
Inlet diameter2.500 inFlowmaster 42543 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound3.00 inFlowmaster 43043 40 Series Muffler - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound2.500 in.Flowmaster 842518 Super 10 Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound2.5 inFlowmaster 942548 Super 44 Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound3.00 inFlowmaster 8430452 Super 44 Series Muffler 409S - 3.00 Center In / 2.50 Dual Out - Aggressive Sound3 inFlowmaster 71249 FlowFX Muffler 3" Center Inlet/3" Center Outlet - Moderate Sound 409 Stainless Steel3.00 inFlowmaster 430402 40 Series Muffler - 3.00 Center In / 2.50 Dual Out - Aggressive Sound2.50 inFlowmaster 942543 40 Delta Flow Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound2.50 inFlowmaster 42542 40 Series Muffler - 2.50" IN(C)/OUT(O) - Aggressive Sound3.00 inFlowmaster 953047 Super 40 Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
Outlet diameter2.500 inFlowmaster 42543 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound3.00 inFlowmaster 43043 40 Series Muffler - 3.00 Offset In / 3.00 Offset Out - Aggressive Sound2.500 inFlowmaster 842518 Super 10 Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound2.50 inFlowmaster 942548 Super 44 Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound2.50 inFlowmaster 8430452 Super 44 Series Muffler 409S - 3.00 Center In / 2.50 Dual Out - Aggressive Sound3 inFlowmaster 71249 FlowFX Muffler 3" Center Inlet/3" Center Outlet - Moderate Sound 409 Stainless Steel2.50 inFlowmaster 430402 40 Series Muffler - 3.00 Center In / 2.50 Dual Out - Aggressive Sound2.50 inFlowmaster 942543 40 Delta Flow Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound2.50 inFlowmaster 42542 40 Series Muffler - 2.50" IN(C)/OUT(O) - Aggressive Sound3.00 inFlowmaster 953047 Super 40 Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
Muffler typeStraight-Through MufflersFlowmaster 42543 40 Series Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive SoundStraight-Through MufflersFlowmaster 43043 40 Series Muffler - 3.00 Offset In / 3.00 Offset Out - Aggressive SoundStraight-Through MufflersFlowmaster 842518 Super 10 Muffler 409S - 2.50 Offset In / 2.50 Offset Out - Aggressive SoundStraight-Through MufflersFlowmaster 942548 Super 44 Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive SoundStraight-Through MufflersFlowmaster 8430452 Super 44 Series Muffler 409S - 3.00 Center In / 2.50 Dual Out - Aggressive SoundStraight-Through MufflersFlowmaster 71249 FlowFX Muffler 3" Center Inlet/3" Center Outlet - Moderate Sound 409 Stainless SteelStraight-Through MufflersFlowmaster 430402 40 Series Muffler - 3.00 Center In / 2.50 Dual Out - Aggressive SoundStraight-Through MufflersFlowmaster 942543 40 Delta Flow Muffler - 2.50 Offset In / 2.50 Offset Out - Aggressive SoundStraight-Through MufflersFlowmaster 42542 40 Series Muffler - 2.50" IN(C)/OUT(O) - Aggressive SoundStraight-Through MufflersFlowmaster 953047 Super 40 Muffler - 3.00 Center In / 3.00 Offset Out - Aggressive Sound
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4.8 out of 5 stars
stars9 ratings4 reviews
How item rating is calculated
  1. 5 stars78% (7)
  2. 4 stars22% (2)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 4 reviews

Dec 2, 2017
Dadams1911
5 out of 5 stars review

Flow master 40's

I bought these Mufflers over a month ago and I'm very happy with the sound and the durability. I will be buying another set for my GTO in the near future. Good job Jegs!!

Review from jegs.com
Helpful?4LH5F31E0QX349350105
Feb 7, 2019
Mopars5
5 out of 5 stars review

Great Product.

I have installed these series 40's on my Mopars for years. Love that throaty muscle car sound they produce and ease of installation. Inlet and outlet port sizing is spot on.

Review from jegs.com
Helpful?4LH5F31E0QX349350105
Oct 29, 2019
Aggie1974
5 out of 5 stars review

Just as advertised

After 12 years, it is hard to believe that I can buy the same mufflers for less than $100 a piece. Due to their sound and quality I had to buy them again for my 70 Chevelle SS.

Review from jegs.com
Helpful?4LH5F31E0QX349350105