See more parts for Ford Mustang
Select the year of your Ford Mustang:
Product thumb
Flowmaster Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound Ford
$849.95

If you're on the hunt for a genuine dual headers-back exhaust system that delivers a moderate to aggressive exhaust tone, you've come to the right place! This system is designed with an easy fit in mind, featuring robust 16-gauge mandrel-bent aluminized steel tubing. It comes equipped with a built-in H-pipe crossover and a pair of specially selected Super 44 Series mufflers, ensuring you get that perfect sound. Plus, all the hangers and hardware you need for installation are included!

This exhaust system fits neatly through the factory rear valance exhaust cutouts and boasts a pair of 3.00-inch polished stainless steel tips. The American Thunder systems provide a thrilling interior and exterior tone, ideal for enthusiasts who want their performance to be heard loud and clear. Just like all Flowmaster exhaust systems, you can expect benefits like improved throttle response, power, and even better mileage.

Rest assured, all aluminized steel exhaust systems come with a 3-year Limited Warranty. If you prefer something a bit more durable, check out the optional stainless steel system 817281, which is backed by our Lifetime Limited Warranty.

Important Notes:

  • Not compatible with convertibles or vehicles with staggered shocks.
  • Header reducer cones are not included.

Features:

  • Super 44 Series Mufflers for a deep, powerful sound.
  • Mandrel-bent 16-gauge aluminized steel tubing.
  • Includes hangers and hardware for easy installation.
  • Moderate to aggressive exterior exhaust tone.
  • True dual exhaust system from the headers back.
  • H-pipe crossover for maximum power.
  • Header reducers are not included.

Specifications:

  • 2WD/4WD: 2WD
  • California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
  • California Proposition 65 Chemical Name: Nickel (Metallic)
  • California Proposition 65 Required: Yes
  • Emission Code: 3
  • Exhaust Series: American Thunder
  • Exit Position: Dual Rear Exit
  • Heat Shield: No
  • Inlet Diameter (in): 2.5
  • Material: Aluminized Steel
  • Muffler Part Number: 942546
  • Muffler Quantity: 2
  • Muffler Series: Super 44 Series
  • Outlet Diameter (in): 2.5
  • Product Type: Exhaust Systems / Kits
  • Single Dual: Dual
  • Sound Level: Aggressive Sound
  • System Type: Header-back System
  • Tip Diameter (in): 3
  • Tip Quantity: 2
  • Tubing Diameter (in): 2.5
  • Warning: California Proposition 65

Notes:

  • Designed for 1967-1970 Ford Mustang with V8 engine, exiting through rear valance exhaust cutouts. Not suitable for convertibles or staggered shock models.
Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1967-1970
Ford Mustang

Flowmaster Banner

Who is Flowmaster?

Flowmaster is an aftermarket company that was founded in 1983. The company specializes in manufacturing high-performance exhaust systems for various vehicles. This includes classic muscle cars, modern sedans, trucks, jeeps, off-road vehicles, and more. 

It has since revolutionized the industry and has continued its tradition to produce high-quality exhaust parts. Today, Flowmaster has been the go-to brand of many car builders and enthusiasts worldwide and has been the market leader for years.

Pushing the Boundaries of Exhaust Design

Flowmaster has been the pioneer when it comes to developing mufflers. They produce mufflers that are quiet enough to be used legally on the streets but, at the same time, does not restrict the performance of the engine. This is why more and more people are choosing Flowmaster for their car builds as they can enjoy their vehicles on and off the streets.

An Exhaust For Any Style

The company provides its customers with the ability to choose the type of muffler they want. They offer five sound categories of their exhaust system, from quiet and discrete to something more aggressive and gives that racy sound. They can also choose between 12 designs of chambered mufflers, including their exclusively-designed “laminar-flow” muffler or “straight-through.”They also have a custom-built exhaust system for that one-of car builds.

Passionate Development Team

Flowmaster is composed of people who have years of experience in developing quality exhaust systems. Using the knowledge they acquired over the years, they improved their designs and matched it with the ever-growing technological advancement of vehicles today. 

Tried and Tested

With hundreds of installs under its belt, Flowmaster has proven itself to be a brand that delivers what it promised. In addition, all their exhaust systems are designed and dyno-tested, ensuring that they can maximize your vehicle’s performance once installed. 

Purchase Flowmaster at Vivid Racing

If you are in the market for an upgrade in your vehicle’s exhaust that would provide you with that distinct sound and improved performance, then Flowmaster is the brand for you. To know more about Flowmaster, visit Vivid Racing and check out their list of products that fit your requirement.




LIMITED WARRANTY:

This catalytic converter is warranted to be free from defects in materials andworkmanship subject to the exclusion and conditions set forth below and subject to the durational limits in this paragraph. This catalytic converter has been designed and manufactured and is warranted to meet federal Environmental Protection Agency emission requirements for 25,000 miles. The stainless steel body and the nipples alone are warranted for 5 years or 50,000 miles, whichever comesfirst. At the conclusion of the 5 year/50,000 mile or 25,000 mile period, whichever is applicable, all liability under this limited warranty shall terminate.

For full warranty information Click Here

Check out these other great products