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Black Friday Doorbuster Flowmaster 12518409 Super Hp-2 Muffler 409s - 2.50 Center In./2.50 Center Out - Moderate Sound Massive 80% Savings [4qQfbtGH]

$42.99 $137.99 -69%

Flowmaster has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would expect from our laminar flow

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Black Friday Doorbuster Flowmaster 12518409 Super Hp-2 Muffler 409s - 2.50 Center In./2.50 Center Out - Moderate Sound Massive 80% Savings [4qQfbtGH]

Flowmaster has taken the laminar core of our classic HP-2 muffler and wrapped it in a new compact square case. The new Super HP-2 Series muffler offers the same great performance benefits and moderate tone that you would expect from our laminar flow mufflers, now in a new sleek styling. These mufflers are available in either a 409S stainless steel case or a polishable 304S stainless steel case and in sizes ranging from 2.00 in., 2.25 in. and 2.50 in. These mufflers are covered by Flowmaster's Lifetime Limited Warranty.
  • Stainless Steel Construction
  • Dyno Tuned for Maximum Performance
  • Patented Laminar Flow Technology
  • Lifetime Limited Warranty

Additional Attributes:

  • GTIN: 00700042030248
  • Body Height: 4.000 in.
  • Body Length: 18.000 in.
  • Body Width: 5.000 in.
  • Inlet Diameter: 2.500 in.
  • Inlet Inside Diameter: 2.500 in.
  • Inlet Outside Diameter: 2.500 in.
  • Inlet Position: Center
  • Inlet Type: Single Center
  • Main Piping Diameter: OEM
  • Material: Stainless Steel
  • Muffler Series: HP-2 Series
  • Outlet Diameter: 2.500 in.
  • Outlet Outside Diameter: 2.500 in.
  • Outlet Position: Center
  • Outlet Type: Single Center Outlet
  • Overall Length: 24.000 in.
  • Shape: Oval
  • Sound Level: Moderate
  • Tip Quantity: 0
  • WARNING CA Proposition 65: Yes
  • WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Packaging:

  • Quantity of Each: 1
  • Package UOM: EA
  • Dimension: 24.5000 x 5.5000 x 4.5000 inches

What Our Customers Say

January 21, 2026

Absolutely no complaints!

A product that performs beyond its price.

- Dominic Z..

January 21, 2026

Absolutely no complaints!

It's a perfect 10 in my estimation.

- Elspeth F..

January 21, 2026

Absolutely no complaints!

The quality far exceeds the price point.

- Cassia C..

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