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  1. New tab icon
    Product Image
    RAM 2500 Flowmaster Super HP-2 12-Inch Center/Center Oval Muffler 2-Inch Inlet/2-Inch Outlet 409 Stainless (Universal Some Adaptation May Be Requir 12012409
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    Silverado 2500 Flowmaster Super HP-2 12-Inch Center/Center Oval Muffler 2.50-Inch Inlet/2.50-Inch Outlet 304 Stainless (Universal Some Adaptation M 12512304
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    Flowmaster Performance Exhaust | 12" Super HP-2 Muffler With 409S Stainless Steel Case 2-1/2" Inlet 2-1/2" Outlet | F12512409 For 1969 Pontiac Firebird
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    Classic Industries
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    Product Image
    Flowmaster Super HP-2 Muffler 409SS Super HP-2 Muffler 409SS - 2.25 Center In./2.25 Center Out - Moderate Sound 12418409
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    Holley Performan…
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    Flowmaster Super HP-2 Muffler 409S - 2.25 Center In./2.25 Center Out - Moderate
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    eBay
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    Flowmaster Muffler Super HP-2 Series (2.5" Center In. 2.5" Center Out) Laminar Flow 12512304
    $204.95
    Redline360.com
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    Product Image
    Flowmaster 12518304 Super HP-2 Muffler 304S - 2.50 Center In./2.50 Center Out - Moderate Sound
    $256.95
    VividRacing
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    Flowmaster Super 50 Series Chambered Muffler Super 50 - 3.00 Center In / 2.50 Dual Out - Mild Sound - 530552
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    Flowmaster 12512304 - Super HP-2 Series Muffler
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    Flowmaster Super 50 Series Chambered Muffler Super 50 - 2.25 Dual In / 2.25 Dual Out - Mild Sound - 524554
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    Flowmaster Super 44 Series Chambered Muffler Super 44 - 2.25 Center In / 2.25 Dual Out - Aggressive Sound - 9424472
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    Flowmaster 12518304 Super Hp-2 Series Muffler
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    eBay
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    Flowmaster Super 44 Series Chambered Muffler Super 44 - 2.50 Center In / 2.25 Dual Out - Aggressive Sound - 9425452
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    Flowmaster Super 40 Series Chambered Muffler Super 40 - 2.50 Dual In / 2.50 Dual Out - Aggressive Sound - 9525454
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    2.5 Inch Flowmaster 40 Series Mufflers - Steel | Flowmaster 42542
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    Summit Racing
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    Used
    Flowmaster 12512409 Super HP-2 Muffler 2.5" Center Inlet X Outlet Pair. Flowmaster. Mufflers & Resonators. 12512409.
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    eBay
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    Used
    Flowmaster 12418409 Super HP-2 Series Muffler Fits 66-77 Bronco. Flowmaster. Mufflers & Resonators. 700042030231.
    $204.95
    eBay
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  18. New tab icon
    Flowmaster Super 40 Series Chambered Muffler Super 40 Stainless Steel - 2.50 Dual In / 2.50 Dual Out - Aggressive Sound - 8525454
    $170.95
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    2.25 Inch Flowmaster 70 Series Big Block II Mufflers - Steel | Flowmaster 524703
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    Summit Racing
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    Flowmaster Super 44 Series Chambered Muffler Super 44 - 2.50 Center In / 2.50 Center Out - Aggressive Sound - 942545
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Flowmaster 12012409 Super HP-2 Muffler 409 S - 2.00 Center In. / 2.00 Center Out - Aggressive Sound
Flowmaster 12012409 Super HP-2 Muffler 409 S - 2.00 Center In. / 2.00 Center Out - Aggressive Sound
244
Walmart
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169
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Flowmaster 12012409 Super HP-2 Muffler 409 S - 2.00 Center In. / 2.00 Center Out - Aggressive Sound
Flowmaster 12012409 Super HP-2 Muffler 409 S - 2.00 Center In. / 2.00 Center Out - Aggressive Sound
244
Walmart
$
169
.
95
The carbon fiber kit is praised for its great sound, durability, and easy installation. However, some customers experienced issues with the kit's fitment and quality, suggesting to buy the basic kit for better value.
Flowmaster Super HP-2 - Stainless Steel - Aggressive Sound
Flowmaster Super HP-2 - Stainless Steel - Aggressive Sound
Performance Online
$
199
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95
Flowmaster Super HP-2 - Stainless Steel - Aggressive Sound
Flowmaster Super HP-2 - Stainless Steel - Aggressive Sound
Performance Online
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199
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Flowmaster 12412409 Super HP-2 Muffler 409S - 2.25 Center In./2.25 Center Out - Aggressive Sound
Flowmaster 12412409 Super HP-2 Muffler 409S - 2.25 Center In./2.25 Center Out - Aggressive Sound
63
VividRacing
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169
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Flowmaster 12412409 Super HP-2 Muffler 409S - 2.25 Center In./2.25 Center Out - Aggressive Sound
Flowmaster 12412409 Super HP-2 Muffler 409S - 2.25 Center In./2.25 Center Out - Aggressive Sound
63
VividRacing
$
169
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95
This muffler is praised for its excellent sound quality, compact size, and easy installation. It is suitable for various engines and provides a quiet, deep, and throaty sound. However, some users found it to be slightly louder than expected.
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
244
Complete Street Retail
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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
244
Complete Street Retail
$
169
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$
191
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The carbon fiber kit is praised for its great sound, durability, and easy installation. However, some customers experienced issues with the kit's fitment and quality, suggesting to buy the basic kit for better value.
Flowmaster Muffler Super HP-2 Series (2" Center In / 2" Center Out) Laminar Flow 12018409
Flowmaster Muffler Super HP-2 Series (2" Center In / 2" Center Out) Laminar Flow 12018409
Flowmaster Muffler Super HP-2 Series (2" Center In / 2" Center Out) Laminar Flow 12018409
     
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Flowmaster Muffler Super HP-2 Series (2" Center In / 2" Center Out) Laminar Flow 12018409
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Redline360.com
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204
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Flowmaster Muffler Super HP-2 Series (2" Center In / 2" Center Out) Laminar Flow 12018409
Flowmaster Muffler Super HP-2 Series (2" Center In / 2" Center Out) Laminar Flow 12018409
Flowmaster Muffler Super HP-2 Series (2" Center In / 2" Center Out) Laminar Flow 12018409
     
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Flowmaster Muffler Super HP-2 Series (2" Center In / 2" Center Out) Laminar Flow 12018409
111
Redline360.com
$
204
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95
The muffler is praised for its amazing sound, easy installation, and durability. It improves the sound quality and is suitable for various truck models. However, some users found the clamps to be inconvenient and the product expensive.
Flowmaster Universal Super HP-2 Muffler (12412409) - Flowmaster
Flowmaster Universal Super HP-2 Muffler (12412409) - Flowmaster
111
Modern Automotive Performance
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169
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Flowmaster Universal Super HP-2 Muffler (12412409) - Flowmaster
Flowmaster Universal Super HP-2 Muffler (12412409) - Flowmaster
111
Modern Automotive Performance
$
169
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$
191
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The muffler is praised for its amazing sound, easy installation, and durability. It improves the sound quality and is suitable for various truck models. However, some users found the clamps to be inconvenient and the product expensive.
Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler 2-Inch Inlet/2-Inch Outlet 409 Stainless (Universal Some Adaptation May Be Required)
Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler 2-Inch Inlet/2-Inch Outlet 409 Stainless (Universal Some Adaptation May Be Required)
Extreme Terrain
$
199
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Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler 2-Inch Inlet/2-Inch Outlet 409 Stainless (Universal Some Adaptation May Be Required)
Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler 2-Inch Inlet/2-Inch Outlet 409 Stainless (Universal Some Adaptation May Be Required)
Extreme Terrain
$
199
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Super HP-2 Series Muffler, 2.25" Center In 2.25" Center Out, Moderate Sound | Flowmaster FLO-12418409
Super HP-2 Series Muffler, 2.25" Center In 2.25" Center Out, Moderate Sound | Flowmaster FLO-12418409
111
First Place Auto Parts
$
199
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$
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Super HP-2 Series Muffler, 2.25" Center In 2.25" Center Out, Moderate Sound | Flowmaster FLO-12418409
Super HP-2 Series Muffler, 2.25" Center In 2.25" Center Out, Moderate Sound | Flowmaster FLO-12418409
111
First Place Auto Parts
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199
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224
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The muffler is praised for its amazing sound, easy installation, and durability. It improves the sound quality and is suitable for various truck models. However, some users found the clamps to be inconvenient and the product expensive.
Super HP-2 Muffler 409SS - 2.50 Center In./ 2.50 Center Out - Aggressive Sound
Super HP-2 Muffler 409SS - 2.50 Center In./ 2.50 Center Out - Aggressive Sound
Speedzone Performance LLC
$
165
.
95
Super HP-2 Muffler 409SS - 2.50 Center In./ 2.50 Center Out - Aggressive Sound
Super HP-2 Muffler 409SS - 2.50 Center In./ 2.50 Center Out - Aggressive Sound
Speedzone Performance LLC
$
165
.
95
Flowmaster Super HP-2 Muffler 304S - 2.50 Center In. 2.50 Center Out - Aggressive Sound 12512304
Flowmaster Super HP-2 Muffler 304S - 2.50 Center In. 2.50 Center Out - Aggressive Sound 12512304
Lmperformance
$
199
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Flowmaster Super HP-2 Muffler 304S - 2.50 Center In. 2.50 Center Out - Aggressive Sound 12512304
Flowmaster Super HP-2 Muffler 304S - 2.50 Center In. 2.50 Center Out - Aggressive Sound 12512304
Lmperformance
$
199
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Flowmaster Super HP-2 Muffler 409SS 12512409
Flowmaster Super HP-2 Muffler 409SS 12512409
111
Modern Day Muffler
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165
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Flowmaster Super HP-2 Muffler 409SS 12512409
Flowmaster Super HP-2 Muffler 409SS 12512409
111
Modern Day Muffler
$
165
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95
The muffler is praised for its amazing sound, easy installation, and durability. It improves the sound quality and is suitable for various truck models. However, some users found the clamps to be inconvenient and the product expensive.
Flowmaster Super HP-2 Series Mufflers | Havoc Offroad
Flowmaster Super HP-2 Series Mufflers | Havoc Offroad
Havoc Offroad
$
165
.
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Flowmaster Super HP-2 Series Mufflers | Havoc Offroad
Flowmaster Super HP-2 Series Mufflers | Havoc Offroad
Havoc Offroad
$
165
.
95
Flowmaster Super HP-2 Muffler 409SS Super HP-2 Muffler 409SS - 2.25 Center In./2.25 Center Out - Moderate Sound - 12418409
Flowmaster Super HP-2 Muffler 409SS Super HP-2 Muffler 409SS - 2.25 Center In./2.25 Center Out - Moderate Sound - 12418409
107
Extreme Power House
$
199
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Flowmaster Super HP-2 Muffler 409SS Super HP-2 Muffler 409SS - 2.25 Center In./2.25 Center Out - Moderate Sound - 12418409
Flowmaster Super HP-2 Muffler 409SS Super HP-2 Muffler 409SS - 2.25 Center In./2.25 Center Out - Moderate Sound - 12418409
107
Extreme Power House
$
199
.
95
The muffler is praised for its amazing sound, easy installation, and durability. It improves the sound quality and is suitable for various truck models. However, some users found the clamps to be inconvenient and the product expensive.
Flowmaster 12518409 Super HP-2 Muffler 409S - 2.50 Center In./2.50 Center Out - Moderate Sound Chevrolet
Flowmaster 12518409 Super HP-2 Muffler 409S - 2.50 Center In./2.50 Center Out - Moderate Sound Chevrolet
107
VividRacing
$
199
.
95
Flowmaster 12518409 Super HP-2 Muffler 409S - 2.50 Center In./2.50 Center Out - Moderate Sound Chevrolet
Flowmaster 12518409 Super HP-2 Muffler 409S - 2.50 Center In./2.50 Center Out - Moderate Sound Chevrolet
107
VividRacing
$
199
.
95
The muffler is praised for its amazing sound, easy installation, and durability. It improves the sound quality and is suitable for various truck models. However, some users found the clamps to be inconvenient and the product expensive.
Flowmaster 12012409 Super HP-2 Muffler 409SS
Flowmaster 12012409 Super HP-2 Muffler 409SS
eBay
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181
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95
Flowmaster 12012409 Super HP-2 Muffler 409SS
Flowmaster 12012409 Super HP-2 Muffler 409SS
eBay
$
181
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Flowmaster 12412409 Super HP-2 Muffler 409SS
Flowmaster 12412409 Super HP-2 Muffler 409SS
eBay
$
169
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Flowmaster 12412409 Super HP-2 Muffler 409SS
Flowmaster 12412409 Super HP-2 Muffler 409SS
eBay
$
169
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Flowmaster 12518304 - Super HP-2 304 SS Oval Performance Gray Exhaust Muffler
Flowmaster 12518304 - Super HP-2 304 SS Oval Performance Gray Exhaust Muffler
eBay
$
264
.
07
Flowmaster 12518304 - Super HP-2 304 SS Oval Performance Gray Exhaust Muffler
Flowmaster 12518304 - Super HP-2 304 SS Oval Performance Gray Exhaust Muffler
eBay
$
264
.
07
Flowmaster 12518304 Super HP-2 Muffler 304SS
Flowmaster 12518304 Super HP-2 Muffler 304SS
107
eBay
$
278
.
95
Flowmaster 12518304 Super HP-2 Muffler 304SS
Flowmaster 12518304 Super HP-2 Muffler 304SS
107
eBay
$
278
.
95
The muffler is praised for its amazing sound, easy installation, and durability. It improves the sound quality and is suitable for various truck models. However, some users found the clamps to be inconvenient and the product expensive.
Flowmaster Flowmaster Super HP-2 Muffler 304SS
Flowmaster Flowmaster Super HP-2 Muffler 304SS
Flowmaster Flowmaster Super HP-2 Muffler 304SS
     
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Flowmaster Flowmaster Super HP-2 Muffler 304SS
244
eBay
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211
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Flowmaster Flowmaster Super HP-2 Muffler 304SS
Flowmaster Flowmaster Super HP-2 Muffler 304SS
Flowmaster Flowmaster Super HP-2 Muffler 304SS
     
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Flowmaster Flowmaster Super HP-2 Muffler 304SS
244
eBay
$
211
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69
Free shipping
The carbon fiber kit is praised for its great sound, durability, and easy installation. However, some customers experienced issues with the kit's fitment and quality, suggesting to buy the basic kit for better value.
12418409 Flowmaster Super HP-2 Muffler 409SS
12418409 Flowmaster Super HP-2 Muffler 409SS
eBay
$
224
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12418409 Flowmaster Super HP-2 Muffler 409SS
12418409 Flowmaster Super HP-2 Muffler 409SS
eBay
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12018409 Flowmaster Super HP-2 Muffler 409SS
12018409 Flowmaster Super HP-2 Muffler 409SS
eBay
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12018409 Flowmaster Super HP-2 Muffler 409SS
12018409 Flowmaster Super HP-2 Muffler 409SS
eBay
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Flowmaster 12512409 Super HP-2 Series Muffler
Flowmaster 12512409 Super HP-2 Series Muffler
111
eBay
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233
.
99
Flowmaster 12512409 Super HP-2 Series Muffler
Flowmaster 12512409 Super HP-2 Series Muffler
111
eBay
$
233
.
99
The muffler is praised for its amazing sound, easy installation, and durability. It improves the sound quality and is suitable for various truck models. However, some users found the clamps to be inconvenient and the product expensive.
Sponsored
  1. New tab icon
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    Flowmaster Super 40 Series Chambered Muffler Super 40 - 3.00 Center In / 2.50 Dual Out - Aggressive Sound - 9530452
    $173.95
    Extreme Power H…
  2. New tab icon
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    Flowmaster Super 50 Series Stainless Steel Chambered Muffler - Fits 2007-2013 Toyota Tundra - 2.25 Dual In / 3.00 Center Out - Mild Sound - 8524553
    $224.95
    Extreme Power H…
  3. New tab icon
    Product Image
    2.5 Inch Flowmaster 70 Series Big Block II Mufflers - Steel | Flowmaster 52573
    $249.95
    Summit Racing
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  4. New tab icon
    Product Image
    2.5 Inch Flowmonster 2-Chamber Mufflers - Steel | Flowmonster 42543-FM
    $47.10
    Summit Racing
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  5. New tab icon
    Product Image
    Flowmaster Inc. Super 44 Series Muffler, 2.5in Center Inlet 2.5in Center Outlet, Non-Reversible, Aggressive Sound, 942545
    $137.99
    Advance Auto Parts
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  6. New tab icon
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    Flowmaster Inc. Super 44 Series Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound, 842446
    $139.99
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    Product Image
    Flowmaster Super 44 Series Chambered Muffler Super 44 Series Stainless Steel - 3.00 Center In / 2.50 Dual Out - Aggressive Sound - 8430452
    $139.95
    Extreme Power H…
  8. New tab icon
    Product Image
    Flowmaster Super 44 Series Chambered Muffler Super 44 Series Stainless Steel - 2.25 Offset In / 2.25 Center Out Aggressive Sound - 842446
    $139.95
    Extreme Power H…
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    Product Image
    Flowmaster Super 44 Series Chambered Muffler Super 44 Series Stainless Steel - 2.5 in (D) / 3.0 OUT Center - Aggressive Sound - 8425453
    $139.95
    Extreme Power H…
  10. New tab icon
    Product Image
    2.25 Inch Flowmaster Super 50 Series Performance Mufflers - Steel | Flowmaster 52456
    $199.95
    Summit Racing
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    delivery truck
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  11. New tab icon
    Product Image
    2 Inch Flowtech Red Hots Mufflers - Steel | Flowtech 50250FLT
    $34.80
    Summit Racing
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    Product Image
    2.25 Inch Flowmaster 40 Series Mufflers - Steel | Flowmaster 42441
    $99.95
    Summit Racing
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    Product Image
    Flowmaster Inc. Super 10 Muffler, 2.5in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound, 8425152
    $101.99
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    Flowmaster 42441-Fm Flowmonster 2-Chamber Muffler 2.25" Offset In /
    $47.10
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    Flowmaster Inc. 60 Series Muffler, 2.25in Center Inlet 2.25in Center Outlet, Non-Reversible, Moderate Sound, 952460
    $204.99
    Advance Auto Parts
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    Flowmaster Super 10 Series Chambered Muffler Super 10 Series Stainless Steel - 3.00 Center In / 2.50 Dual Out - Aggressive Sound - 8430152
    $99.95
    Extreme Power H…
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    Flowmaster Inc. Super 44 Series Muffler, 2.5in Center Inlet 2.25in Dual Offset Outlet, 13in Long, Aggressive Sound, 9425452
    $137.99
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    2.25 Inch Flowmonster 2-Chamber Mufflers - Steel | Flowmonster 42443-FM
    $47.10
    Summit Racing
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  19. Curbside
    New tab icon
    Flowmaster Inc. Super 40 Series Muffler, 2.5in Center Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound, 952547
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    Local Inventory Icon
    Advance Auto Parts
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    Flowmaster Inc. Super 40 Series Muffler, 2.25in Center Inlet 2.25in Center Outlet, Non-Reversible, Aggressive Sound, 952445
    $159.99
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