Flowmaster 12512409 Super HP-2 Muffler 409S - 2.50 Center In./ 2.50 Center Out - Aggressive Sound
Flowmaster 12512409 Super HP-2 Muffler 409S - 2.50 Center In./ 2.50 Center Out - Aggressive Sound
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Flowmaster 12512409 Super HP-2 Muffler 409S - 2.50 Center In./ 2.50 Center Out - Aggressive Sound

5 stars out of 4 reviews
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4 ratings
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Key item features

  • Durable Construction: Features 409S stainless steel construction for enhanced longevity and resilience.
  • Performance Tuning: Dyno-tuned to deliver maximum performance benefits for the vehicle.
  • Advanced Technology: Incorporates laminar flow technology, derived from classic HP-2 mufflers, for efficient exhaust gas management.
  • Compact Design: Encased in a new compact square case, offering a sleek styling while maintaining performance.
  • Aggressive Acoustics: Produces an aggressive sound profile, characteristic of its design.
  • Precise Dimensions: Designed with 2.50-inch center inlet and 2.50-inch center outlet connections for specific fitment.
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Current price is $169.95
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Columbus, 43215
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4.235154394299287 stars out of 5, based on 421 seller reviews(4.2)
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Flowmaster 12512409 Super HP-2 Muffler 409S - 2.50 Center In./ 2.50 Center Out - Aggressive Sound
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Comparison Chart:
Vehicle model12512409Flowmaster 12512409 Super HP-2 Muffler 409S - 2.50 Center In./ 2.50 Center Out - Aggressive Sound12512304Flowmaster 12512304 Super HP-2 Muffler 304S - 2.50 Center In. 2.50 Center Out - Aggressive SoundSILVERADOFlowmaster 853046 Super 40 Muffler 409S - 3.00 Offset In / 3.00 Center Out - Aggressive Sound12012409Flowmaster 12012409 Super HP-2 Muffler 409 S - 2.00 Center In. / 2.00 Center Out - Aggressive SoundFLW425404Flowmaster 425404 40 Series Muffler - 2.50" IN(D)/OUT(D) - Aggressive SoundF150Flowmaster 953049 Super 40 Muffler - 3.00 Offset In / 3.00 Same Side Out - Aggressive Sound942446Flowmaster 942446 Super 44 Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound815425SFlowmaster 815425S Outlaw Race Muffler Short 409S - 2.50 in. Center In Center Out - Aggressive-Flowmaster 71249 FlowFX Muffler 3" Center Inlet/3" Center Outlet - Moderate Sound 409 Stainless Steel942043Flowmaster 942043 40 Delta Flow Muffler - 2.00 Offset In / 2.00 Offset Out - Aggressive Sound
Inlet diameter2.50 inFlowmaster 12512409 Super HP-2 Muffler 409S - 2.50 Center In./ 2.50 Center Out - Aggressive Sound2.50 inFlowmaster 12512304 Super HP-2 Muffler 304S - 2.50 Center In. 2.50 Center Out - Aggressive Sound3.00 inFlowmaster 853046 Super 40 Muffler 409S - 3.00 Offset In / 3.00 Center Out - Aggressive Sound2.00 inFlowmaster 12012409 Super HP-2 Muffler 409 S - 2.00 Center In. / 2.00 Center Out - Aggressive Sound2.5 inFlowmaster 425404 40 Series Muffler - 2.50" IN(D)/OUT(D) - Aggressive Sound3.00 inFlowmaster 953049 Super 40 Muffler - 3.00 Offset In / 3.00 Same Side Out - Aggressive Sound2.250 inFlowmaster 942446 Super 44 Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound2.500 in.Flowmaster 815425S Outlaw Race Muffler Short 409S - 2.50 in. Center In Center Out - Aggressive3 inFlowmaster 71249 FlowFX Muffler 3" Center Inlet/3" Center Outlet - Moderate Sound 409 Stainless Steel2.00 inFlowmaster 942043 40 Delta Flow Muffler - 2.00 Offset In / 2.00 Offset Out - Aggressive Sound
Outlet diameter2.50 inFlowmaster 12512409 Super HP-2 Muffler 409S - 2.50 Center In./ 2.50 Center Out - Aggressive Sound2.50 inFlowmaster 12512304 Super HP-2 Muffler 304S - 2.50 Center In. 2.50 Center Out - Aggressive Sound3.00 inFlowmaster 853046 Super 40 Muffler 409S - 3.00 Offset In / 3.00 Center Out - Aggressive Sound2.00 inFlowmaster 12012409 Super HP-2 Muffler 409 S - 2.00 Center In. / 2.00 Center Out - Aggressive Sound2.50 inFlowmaster 425404 40 Series Muffler - 2.50" IN(D)/OUT(D) - Aggressive Sound3.00 inFlowmaster 953049 Super 40 Muffler - 3.00 Offset In / 3.00 Same Side Out - Aggressive Sound2.500 inFlowmaster 942446 Super 44 Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive Sound2.500 inFlowmaster 815425S Outlaw Race Muffler Short 409S - 2.50 in. Center In Center Out - Aggressive3 inFlowmaster 71249 FlowFX Muffler 3" Center Inlet/3" Center Outlet - Moderate Sound 409 Stainless Steel2.00 inFlowmaster 942043 40 Delta Flow Muffler - 2.00 Offset In / 2.00 Offset Out - Aggressive Sound
Muffler typeStraight-Through MufflersFlowmaster 12512409 Super HP-2 Muffler 409S - 2.50 Center In./ 2.50 Center Out - Aggressive SoundStraight-Through MufflersFlowmaster 12512304 Super HP-2 Muffler 304S - 2.50 Center In. 2.50 Center Out - Aggressive SoundStraight-Through MufflersFlowmaster 853046 Super 40 Muffler 409S - 3.00 Offset In / 3.00 Center Out - Aggressive SoundStraight-Through MufflersFlowmaster 12012409 Super HP-2 Muffler 409 S - 2.00 Center In. / 2.00 Center Out - Aggressive SoundStraight-Through MufflersFlowmaster 425404 40 Series Muffler - 2.50" IN(D)/OUT(D) - Aggressive SoundChambered MufflersFlowmaster 953049 Super 40 Muffler - 3.00 Offset In / 3.00 Same Side Out - Aggressive SoundStraight-Through MufflersFlowmaster 942446 Super 44 Muffler - 2.25 Offset In / 2.25 Center Out - Aggressive SoundStraight-Through MufflersFlowmaster 815425S Outlaw Race Muffler Short 409S - 2.50 in. Center In Center Out - AggressiveStraight-Through MufflersFlowmaster 71249 FlowFX Muffler 3" Center Inlet/3" Center Outlet - Moderate Sound 409 Stainless SteelStraight-Through MufflersFlowmaster 942043 40 Delta Flow Muffler - 2.00 Offset In / 2.00 Offset Out - Aggressive Sound
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Customer ratings & reviews

5 out of 5 stars
stars4 ratings3 reviews
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Showing 1-3 of 3 reviews

Dec 3, 2015
natethegreat2
5 out of 5 stars review

Nice Muffler

These things sound good, not to loud at low RPM but when you step on the gas they open up. The internals are all metal so they should last longer than glass packed styles. overall I'm happy with them.

Review from jegs.com
Helpful?29JYHT4S4G6X49349130
Mar 17, 2016
Darren78
5 out of 5 stars review

Awesome sound

Put these on by sbc cj7 due to the small size of them and could not be happier. They are not loud at all at idle. Deep classic rumble with zero cackle.

Review from jegs.com
Helpful?29JYHT4S4G6X49349130
Dec 24, 2016
shifty427
5 out of 5 stars review

Flow master Hp2 shorties

Great sounding muffler and great quality like you come to expect from flow master

Review from jegs.com
Helpful?29JYHT4S4G6X49349130