Flowmaster Muffler 40 Series 2-1/2" 1979-2004

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  • Aggressive Exhaust Tone
  • Designed For Street And Strip
  • 40 Series Muffler
  • Offset Inlet And Offset Outlet
MSRP $88.83
You save 8%

Flowmaster 2-1/2" 40 Series Muffler for 1979-2004 Mustangs.

The muffler that started it all, the original 40 Series Muffler is an aggressive sounding street/strip muffler that delivers a powerful "Flowmaster Sound". If you really want to hear your exhaust system from both inside and outside of the vehicle, the 40 Series is for you. Constructed of 16-gauge aluminized steel and fully MIG-welded for maximum durability.

Features and Benefits:
- Durable Fully Welded 16ga Aluminized Steel
- Aggressive And Powerful Exterior Exhaust Tone
- Notable Interior Resonance
- Excellent Street/Strip And Off Road Application
- No Internal Packing To Blowout

Muffler Specs:
- Inlet Diameter: 2-1/2" Offset
- Outlet Diameter: 2-1/2" Offset
- Length: 13"
- Width: 9-3/4"
- Height: 4"

*Sold individually.

When you're looking for an exhaust for your 1964-2017 Mustang, every owner needs to check out Flowmaster's exhaust systems and mufflers. Flowmaster is a manufacturer of just about any part you need for your Mustang's exhaust, from full exhaust systems and exhaust kits, to mufflers and accessories. Flowmaster is widely known for their distinctive 'Flowmaster sound,' which is available in mild, moderate and aggressive tones. CJ Pony Parts is proud to partner with Flowmaster, so you know you can find the perfect muffler or exhaust system for your Mustang right here today! Browse the dozens of Flowmaster products CJ's proudly offers today!

Order this Flowmaster (42543) 2-1/2" 40 Series Muffler for your 1979-2004 Mustang today from CJ Pony Parts!

Installation Videos

Vehicle Fitment

This product will fit the following Mustang years:

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I have a dual exhaust would I have to buy 2 flow master for my 2001 mustang

Asked by: dpgp
Answered by: Bug24
Date published: 2017-09-19

Will this fit my 01 cobra

Asked by: Svt_adan
It will fit but may require some modification to the stock exhaust pipes.
Answered by: rk cjpp
Date published: 2017-09-19
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