Hero image 0 of Flowmaster 817273 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound, 0 of 2

Flowmaster 817273 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound

Name: Flowmaster 817273 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound
Brand: Flowmaster
SKU: 109794368
Price: 1059.95 USD
Availability: InStock

(No ratings yet)

Check if this fits your vehicle

Key item features

System Components: This header-back exhaust system includes an H-pipe, Super 44 Series mufflers, and tailpipes, designed for a complete exhaust solution.
Material Construction: The system features mandrel-bent 16-gauge stainless steel tubing, ensuring durability and optimal exhaust flow.
Sound Profile: Equipped with Super 44 Series performance mufflers, it delivers a moderate exterior exhaust tone, characteristic of American Thunder systems.
Design Features: It incorporates a built-in "H" balance pipe and long polished 2.50-inch 304 stainless steel tips for a finished appearance.
Vehicle Compatibility: Specifically engineered for 1964-1966 Ford Mustang hardtop coupes with a V8 engine, excluding GT models and convertibles.
Installation Inclusions: All necessary hangers and hardware are provided for a straightforward installation process.

Generated by AI

Specs

Vehicle make
Ford
Vehicle model
Mustang
Vehicle year
1964, 1965, 1966
Inlet diameter
2.5 in
Outlet diameter
2.5 in
Muffler type
Performance Mufflers

Current price is Now $1,059.95

You save $118.00

was $1,177.95

Price when purchased online

Free shipping
Free 30-day returns

How do you want your item?

Columbus, 43215

Arrives by Mon, Feb 23

Sold and shipped by SuperShops

4.4071428571428575 stars out of 5, based on 280 seller reviews(4.4)

Report an issue with this seller

Free 30-day returns

More seller options (2)

Starting from $1,059.95

Compare with similar items

Comparison Overview:
Product	Viewing this item Flowmaster 817273 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound current price Now $1,059.95, Was $1,177.95 Flowmaster 817273 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound	Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound current price Now $828.95, Was $921.95 Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound 3 out of 5 Stars. 1 reviews	Flowmaster 817757 Force II Exhaust System Kit current price Now $1,059.95, Was $1,177.95 Flowmaster 817757 Force II Exhaust System Kit	Flowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive current price Now $718.95, Was $799.95 Flowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive 5 out of 5 Stars. 4 reviews	Flowmaster 817174 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive current price Now $1,059.95, Was $1,177.95 Flowmaster 817174 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	Flowmaster 17273 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound current price Now $874.95, Was $972.95 Flowmaster 17273 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	Flowmaster 817202 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound current price Now $1,105.95, Was $1,229.95 Flowmaster 817202 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound	Flowmaster 817784 American Thunder Exhaust System Kit current price Now $828.95, Was $921.95 Flowmaster 817784 American Thunder Exhaust System Kit	Flowmaster 817807 American Thunder Exhaust System Kit current price Now $1,059.95, Was $1,177.95 Flowmaster 817807 American Thunder Exhaust System Kit	Flowmaster 817819 American Thunder Exhaust System Kit current price Now $967.95, Was $1,075.95 Flowmaster 817819 American Thunder Exhaust System Kit

Comparison Chart:
Vehicle make	FordFlowmaster 817273 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound	ChevroletFlowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	FordFlowmaster 817757 Force II Exhaust System Kit	GMFlowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive	-Flowmaster 817174 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	FordFlowmaster 17273 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	GMFlowmaster 817202 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound	FordFlowmaster 817784 American Thunder Exhaust System Kit	FordFlowmaster 817807 American Thunder Exhaust System Kit	JeepFlowmaster 817819 American Thunder Exhaust System Kit
Vehicle model	MustangFlowmaster 817273 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound	17104Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	F-350 Super DutyFlowmaster 817757 Force II Exhaust System Kit	A-BodyFlowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive	817174Flowmaster 817174 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	MustangFlowmaster 17273 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	A-BodyFlowmaster 817202 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound	Fiesta STFlowmaster 817784 American Thunder Exhaust System Kit	Mustang GTFlowmaster 817807 American Thunder Exhaust System Kit	Wrangler JLFlowmaster 817819 American Thunder Exhaust System Kit
Vehicle year	1964Flowmaster 817273 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound	1967Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	2017Flowmaster 817757 Force II Exhaust System Kit	1964Flowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive	1955Flowmaster 817174 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	1964Flowmaster 17273 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	64-67Flowmaster 817202 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound	2014Flowmaster 817784 American Thunder Exhaust System Kit	2018Flowmaster 817807 American Thunder Exhaust System Kit	-Flowmaster 817819 American Thunder Exhaust System Kit
Inlet diameter	2.5 inFlowmaster 817273 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound	2.5 inFlowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	-Flowmaster 817757 Force II Exhaust System Kit	2.5 inFlowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive	2.50Flowmaster 817174 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	2.5 inFlowmaster 17273 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	3.00 inFlowmaster 817202 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound	2.50 inFlowmaster 817784 American Thunder Exhaust System Kit	3.00 inFlowmaster 817807 American Thunder Exhaust System Kit	2.50 inFlowmaster 817819 American Thunder Exhaust System Kit

Now hiding additional rows in the Table

About this item

Product details

Compatible with 1964-1966 Mustang, 2.50 in. stainless steel system.;

This American Thunder® headers-back exhaust system is designed for all 1964-1966 Ford Mustang hardtop coupes with a V8 engine. The system features a free-flowing 2.50 in. mandrel-bent stainless steel H-pipe flowing into a pair of Super 44® Series mufflers for maximum power and that deep iconic sound. The 2.50 in. mandrel-bent stainless tailpipes tuck up high and are finished off with a pair of long 2.50 in. 304 stainless steel tips for that show car look. Includes all necessary parts, hardware and easy to follow instructions and is covered by our Lifetime Limited Warranty. Note: Does Not fit GT models or convertibles.;

Includes Hangers and Hardware for an Easy Installation
Mandrel-bent 16-gauge Stainless Steel Tubing
Super 44 Series Performance Mufflers
Long Polished Stainless Steel Tips
Includes Built-in "H" Balance Pipe
Moderate Exterior Exhaust Tone
Lifetime Limited Warranty
Headers-back System

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Vehicle make

Ford

Vehicle model

Mustang

Vehicle year

1964, 1965, 1966

Inlet diameter

2.5 in

Warranty

Warranty information

Limited Lifetime

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

WARNING: Cancer and Reproductive Harm - www.P65Warnings.com

Similar items you might like

Based on what customers bought

Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound $828.95 Was $921.95
current price Now $828.95, Was $921.95
You save $93.00
Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound
3 out of 5 Stars. 1 reviews
Shipping, arrives in 3+ days
Reduced price Flowmaster 817757 Force II Exhaust System Kit $1,059.95 Was $1,177.95
Reduced price
current price Now $1,059.95, Was $1,177.95
You save $118.00
Flowmaster 817757 Force II Exhaust System Kit
Save with
Shipping, arrives in 3+ days
Flowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive $718.95 Was $799.95
current price Now $718.95, Was $799.95
You save $81.00
Flowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive
5 out of 5 Stars. 4 reviews
Shipping, arrives in 3+ days
Reduced price Flowmaster 817174 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive $1,059.95 Was $1,177.95
Reduced price
current price Now $1,059.95, Was $1,177.95
You save $118.00
Flowmaster 817174 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive
Save with
Shipping, arrives in 3+ days
Flowmaster 17273 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound $874.95 Was $972.95
current price Now $874.95, Was $972.95
You save $98.00
Flowmaster 17273 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound
Shipping, arrives in 3+ days
Flowmaster 17382 Header-back System - Dual Rear Exit - Delta Force - Aggressive Sound $1,177.95
current price $1,177.95
Flowmaster 17382 Header-back System - Dual Rear Exit - Delta Force - Aggressive Sound
Save with
Shipping, arrives in 3+ days
Flowmaster 817202 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound $1,105.95 Was $1,229.95
current price Now $1,105.95, Was $1,229.95
You save $124.00
Flowmaster 817202 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
Shipping, arrives in 3+ days
Flowmaster 817784 American Thunder Exhaust System Kit $828.95 Was $921.95
current price Now $828.95, Was $921.95
You save $93.00
Flowmaster 817784 American Thunder Exhaust System Kit
Shipping, arrives in 3+ days
Reduced price Flowmaster 817807 American Thunder Exhaust System Kit $1,059.95 Was $1,177.95
Reduced price
current price Now $1,059.95, Was $1,177.95
You save $118.00
Flowmaster 817807 American Thunder Exhaust System Kit
Save with
Shipping, arrives in 3+ days
Flowmaster 817819 American Thunder Exhaust System Kit $967.95 Was $1,075.95
current price Now $967.95, Was $1,075.95
You save $108.00
Flowmaster 817819 American Thunder Exhaust System Kit
Shipping, arrives in 3+ days
Flowmaster 17202 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound $1,075.95
current price $1,075.95
Flowmaster 17202 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound
Save with
Shipping, arrives in 3+ days
Flowmaster 817938 American Thunder Crossmember-Back Exhaust System 2.5" 409 Stainless Dual Exit $782.95 Was $870.95
current price Now $782.95, Was $870.95
You save $88.00
Flowmaster 817938 American Thunder Crossmember-Back Exhaust System 2.5" 409 Stainless Dual Exit
Shipping, arrives in 3+ days
Flowmaster 817804 Force II Exhaust System Kit $690.95 Was $767.95
current price Now $690.95, Was $767.95
You save $77.00
Flowmaster 817804 Force II Exhaust System Kit
Shipping, arrives in 3+ days
Flowmaster 817803 Outlaw Exhaust System Kit $673.95 Was $749.95
current price Now $673.95, Was $749.95
You save $76.00
Flowmaster 817803 Outlaw Exhaust System Kit
3 out of 5 Stars. 1 reviews
Shipping, arrives in 3+ days
Flowmaster 817854 Outlaw Exhaust System Kit $1,078.95
current price $1,078.95
Flowmaster 817854 Outlaw Exhaust System Kit
Save with
Shipping, arrives in 3+ days
Reduced price Flowmaster 817282 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound $921.95 Was $1,024.95
Reduced price
current price Now $921.95, Was $1,024.95
You save $103.00
Flowmaster 817282 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound
Save with
Shipping, arrives in 3+ days
Reduced price Flowmaster 817585 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive $1,105.95 Was $1,229.95
Reduced price
current price Now $1,105.95, Was $1,229.95
You save $124.00
Flowmaster 817585 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive
5 out of 5 Stars. 1 reviews
Save with
Shipping, arrives in 3+ days
Reduced price Flowmaster 817661 Crossmember-back System - Force II - 74-79 Corvette - Mild/Moderate Sound $1,213.95 Was $1,299.95
Reduced price
current price Now $1,213.95, Was $1,299.95
You save $86.00
Flowmaster 817661 Crossmember-back System - Force II - 74-79 Corvette - Mild/Moderate Sound
5 out of 5 Stars. 1 reviews
Save with
Shipping, arrives in 3+ days
Reduced price Flowmaster 817934 Crossmember Back Exhaust System 2.5" 409 Stainless, Dual Exit $690.95 Was $767.95
Reduced price
current price Now $690.95, Was $767.95
You save $77.00
Flowmaster 817934 Crossmember Back Exhaust System 2.5" 409 Stainless, Dual Exit
Save with
Shipping, arrives in 3+ days
Reduced price Flowmaster 818204 American Thunder Direct Fit Muffler $598.95 Was $665.95
Reduced price
current price Now $598.95, Was $665.95
You save $67.00
Flowmaster 818204 American Thunder Direct Fit Muffler
Save with
Shipping, arrives in 3+ days

Popular items in this category

Best selling items that customers love

Reduced price Flowmaster 817104 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound $1,059.95 Was $1,177.95
Reduced price
current price Now $1,059.95, Was $1,177.95
You save $118.00
Flowmaster 817104 Header-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound
Save with
Shipping, arrives in 3+ days
Flowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive $967.95 Was $1,075.95
current price Now $967.95, Was $1,075.95
You save $108.00
Flowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive
Shipping, arrives in 3+ days
Reduced price Flowmaster 17281 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound $782.95 Was $870.95
Reduced price
current price Now $782.95, Was $870.95
You save $88.00
Flowmaster 17281 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound
Save with
Shipping, arrives in 3+ days
Flowmaster 17201 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound $921.95
current price $921.95
Flowmaster 17201 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound
Save with
Shipping, arrives in 3+ days
Flowmaster 17200 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound $967.95 Was $1,075.95
current price Now $967.95, Was $1,075.95
You save $108.00
Flowmaster 17200 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound
Shipping, arrives in 3+ days
Reduced price Flowmaster 17120 Header-back System - Dual Side Exit - American Thunder - Moderate/Aggressive $921.95 Was $1,024.95
Reduced price
current price Now $921.95, Was $1,024.95
You save $103.00
Flowmaster 17120 Header-back System - Dual Side Exit - American Thunder - Moderate/Aggressive
5 out of 5 Stars. 1 reviews
Save with
Shipping, arrives in 3+ days
Reduced price Flowmaster 817412 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound $828.95 Was $921.95
Reduced price
current price Now $828.95, Was $921.95
You save $93.00
Flowmaster 817412 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
Save with
Shipping, arrives in 3+ days
Flowmaster 17289 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound $874.95 Was $972.95
current price Now $874.95, Was $972.95
You save $98.00
Flowmaster 17289 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound
Shipping, arrives in 3+ days
Flowmaster 17129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound $632.99 Was $699.95
current price Now $632.99, Was $699.95
You save $66.96
Flowmaster 17129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound
5 out of 5 Stars. 2 reviews
Shipping, arrives in 2 days
Flowmaster 17282 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound $736.95 Was $819.95
current price Now $736.95, Was $819.95
You save $83.00
Flowmaster 17282 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound
5 out of 5 Stars. 1 reviews
Shipping, arrives in 3+ days
Reduced price Flowmaster 817158 Header-back System 409S -Dual Rear Exit - American Thunder - Moderate/Aggressive $828.95 Was $921.95
Reduced price
current price Now $828.95, Was $921.95
You save $93.00
Flowmaster 817158 Header-back System 409S -Dual Rear Exit - American Thunder - Moderate/Aggressive
4 out of 5 Stars. 1 reviews
Save with
Shipping, arrives in 3+ days
Flowmaster 17139 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive $782.95
current price $782.95
Flowmaster 17139 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive
5 out of 5 Stars. 1 reviews
Shipping, arrives in 3+ days
Flowmaster 817281 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound $972.95
current price $972.95
Flowmaster 817281 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound
5 out of 5 Stars. 1 reviews
Save with
Shipping, arrives in 3+ days
Reduced price Flowmaster 817200 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound $1,132.95 Was $1,259.95
Reduced price
current price Now $1,132.95, Was $1,259.95
You save $127.00
Flowmaster 817200 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound
5 out of 5 Stars. 1 reviews
Save with
Shipping, arrives in 3+ days
Reduced price Flowmaster 817409 Header-back System 409S- Dual Rear Exit - American Thunder - Aggressive Sound $967.95 Was $1,040.00
Reduced price
current price Now $967.95, Was $1,040.00
You save $72.05
Flowmaster 817409 Header-back System 409S- Dual Rear Exit - American Thunder - Aggressive Sound
1 out of 5 Stars. 1 reviews
Save with
Shipping, arrives in 3+ days
Reduced price Flowmaster 817129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound $874.95 Was $972.95
Reduced price
current price Now $874.95, Was $972.95
You save $98.00
Flowmaster 817129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound
5 out of 5 Stars. 1 reviews
Save with
Shipping, arrives in 3+ days
Flowmaster 818150 American Thunder Exhaust System Stainless - Single Side Exit $563.70
current price $563.70
Flowmaster 818150 American Thunder Exhaust System Stainless - Single Side Exit
Save with
Shipping, arrives in 3+ days
Flowmaster 817843 American Thunder Exhaust System Kit $1,013.95 Was $1,126.95
current price Now $1,013.95, Was $1,126.95
You save $113.00
Flowmaster 817843 American Thunder Exhaust System Kit
Shipping, arrives in 3+ days