My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Flowmaster 12518409 Super Muffler Stainless Steel - HP-2 409

(1959-1964 Chevrolet Impala; 1959-1964 Chevrolet Bel Air; 1959-1964 Chevrolet Biscayne)

Manufacturer

Part Number

12518409
Sale Price

$199.95

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Flowmaster Super HP-2 Muffler delivers aggressive sound and maximum performance for high-horsepower applications. Constructed from durable 409 stainless steel, this performance muffler is engineered to withstand extreme exhaust temperatures while providing exceptional flow characteristics.

Key Features:

  • Laminar Flow Technology for improved exhaust scavenging and reduced backpressure
  • 409 stainless steel construction for durability and corrosion resistance
  • Dyno-tuned internal design optimizes horsepower and torque gains
  • Moderate to aggressive exhaust note for performance enthusiasts
  • Direct-fit design for easy installation
  • Backed by Flowmaster's Lifetime Limited Warranty

The Super HP-2 series is ideal for street/strip applications, muscle cars, hot rods, and custom exhaust builds where maximum performance and an aggressive tone are desired. This muffler features Flowmaster's proven chamber design that reduces restrictions while maintaining excellent sound quality.

Products specifications

Fits

1959-1964 Chevrolet Impala; 1959-1964 Chevrolet Bel Air; 1959-1964 Chevrolet Biscayne

Body Height

4.00

Body Material

409 Stainless Steel

Body Width

5.00

Brand

Flowmaster

Prop 65

Yes

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

California Proposition 65 Chemical Name

Nickel (Metallic)

Category

Exhaust

Clamps Included

No

Color

Black

Emission Code

5

Exhaust Tip Quantity

0

Exhaust Tip Quantity

Sold Separately

Finish

High-Temperature Paint

Fitment

Universal

Grade Type

Performance

Hanger Included

No

Heat Shield Attached

No

Inlet Connection

Slip-Fit

Inlet Diameter

2.50

Inlet Inside Diameter

2.50

Inlet Location

Center

Inlet Outside Diameter

2.63

Inlet Quantity

1

Inlet Type

Weld-On

Inlet Type

Clamp-On

Muffler Series

HP-2 Series

Muffler Type

Laminar Flow

Outlet Connection

Slip-Fit

Outlet Location

Center

Outlet Outside Diameter

2.63

Outlet Quantity

1

Outlet Type

Single

Part Type

Exhaust Muffler

Product Type

Street Mufflers

Reversible

No

Shape

Oval

Sound Level

Moderate

Sub Category

Mufflers

Tunable

No

Universal Or Specific Fit

Universal

Vehicle Type

Classic Muscle Car

Vehicle Type

Street/Strip

Vehicle Type

4/6 CYL Engine

Vehicle Type

Street Rod

Vehicle Type

Late Model Muscle Car

Vehicle Type

Truck/SUV

Warning

California Proposition 65

Very nice.

Order # 26695 I ordered an EGT and a gauge pod. It showed up at my house 4 days later exactly as I had ordered it. The Prices are unbeatable!

Found exactly what I was looking, at a great price, would definitely order again!

Safe, quick,and easy... thanks.

easy to order, least expensive for same item selling elsewhere for up to50 more, plus shipping. Great site will use again

fast and easy

great prices and ships super fast!!

Fast shipping, great price, product was somewhat hard to install but got it done, love the outcome of it. Overall happy.

Great Pricing with Free Shipping, easy to shop and navigate on the webpage

So far so good. Tool was priced nicely

Great service. Quick shipping!

great

Great price, fast shipping and the items was correct. A perfect transaction. Thank you!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy