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Flowmaster

Flowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive

Name: Flowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive
Brand: Flowmaster
SKU: 49930757
Price: 1075.95 USD
Availability: InStock

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Key item features

Optimal Performance: Features an H-pipe crossover for maximum power and a deep, balanced exhaust tone, eliminating deceleration back-rap.
Powerful Acoustics: Equipped with Super 40 Series mufflers, delivering a deep, powerful exterior sound with a moderate interior tone.
Durable Construction: Constructed from 2.50-inch, mandrel-bent 16-gauge 409S stainless steel tubing for lasting durability.
Complete System: This header-back true dual exhaust system includes all necessary hangers and hardware for straightforward installation.
Classic Compatibility: Specifically designed for 1968-1970 Mopar B-bodies equipped with a V8 engine.
Rear Exit: The mandrel-bent tailpipes exit straight out the back under the rear bumper, allowing for custom tip selection.

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Specs

Vehicle make
Mopar
Vehicle model
B-bodies
Vehicle year
1968, 1969, 1970
Inlet diameter
2.50
Outlet diameter
2.50
Muffler type
Performance Mufflers

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Compare with similar items

Comparison Overview:
Product	Viewing this item Flowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive current price $1,075.95 Flowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound current price $921.95 Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound 3 out of 5 Stars. 1 reviews	Flowmaster Signature Series Exhaust System current price $1,058.63 Flowmaster Signature Series Exhaust System	Flowmaster Signature Series Exhaust System current price $875.64 Flowmaster Signature Series Exhaust System	Flowmaster Signature Series Exhaust System current price $737.15 Flowmaster Signature Series Exhaust System	Flowmaster 17200 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound current price $1,075.95 Flowmaster 17200 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound	Flowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive current price $779.95 Flowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive 5 out of 5 Stars. 4 reviews	Flowmaster Signature Series Exhaust System current price $896.82 Flowmaster Signature Series Exhaust System	Flowmaster 817819 American Thunder Exhaust System Kit current price $1,075.95 Flowmaster 817819 American Thunder Exhaust System Kit	EXHAUST SYSTEM current price $972.95 EXHAUST SYSTEM 5 out of 5 Stars. 3 reviews

Comparison Chart:
Vehicle make	MoparFlowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	ChevroletFlowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	RamFlowmaster Signature Series Exhaust System	FordFlowmaster Signature Series Exhaust System	ToyotaFlowmaster Signature Series Exhaust System	GMFlowmaster 17200 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound	GMFlowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive	FordFlowmaster Signature Series Exhaust System	JeepFlowmaster 817819 American Thunder Exhaust System Kit	NissanEXHAUST SYSTEM
Vehicle model	B-bodiesFlowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	17104Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	1500Flowmaster Signature Series Exhaust System	F-150Flowmaster Signature Series Exhaust System	TacomaFlowmaster Signature Series Exhaust System	A-BodyFlowmaster 17200 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound	A-BodyFlowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive	BroncoFlowmaster Signature Series Exhaust System	Wrangler JLFlowmaster 817819 American Thunder Exhaust System Kit	TitanEXHAUST SYSTEM
Vehicle year	1968Flowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	1967Flowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	2019Flowmaster Signature Series Exhaust System	2021Flowmaster Signature Series Exhaust System	2016Flowmaster Signature Series Exhaust System	1968Flowmaster 17200 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound	1964Flowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive	2021Flowmaster Signature Series Exhaust System	-Flowmaster 817819 American Thunder Exhaust System Kit	2017EXHAUST SYSTEM
Inlet diameter	2.50Flowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder -Moderate/Aggressive	2.5 inFlowmaster 17104 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound	3.00 inFlowmaster Signature Series Exhaust System	-Flowmaster Signature Series Exhaust System	-Flowmaster Signature Series Exhaust System	3.00 inFlowmaster 17200 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound	2.5 inFlowmaster 17119 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive	-Flowmaster Signature Series Exhaust System	2.50 inFlowmaster 817819 American Thunder Exhaust System Kit	2.5 inEXHAUST SYSTEM

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About this item

Product details

Compatible with 1968-1970 Mopar B-bodies with V8 engine. Stainless Steel;

The American Thunder system is for the person who is looking for a complete headers-back dual exhaust system with a deep powerful sound. The system is constructed from 2.50 in. mandrel-bent stainless steel tubing and includes an H-pipe to balance the exhaust pulses and to eliminate back-rap on deceleration. The large cased Super 40 Series performance mufflers generally deliver a moderate interior tone with a deep powerful exterior sound which is suited for enthusiasts who want their performance to be heard. The mandrel-bent tailpipes exit straight out the back under the rear bumper for a strong muscular appearance and allows you to select your own style of tips. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation and is covered by our Lifetime Limited Warranty. .;

H-pipe Crossover for Maximum Power and Deep Tone
Super 40 Series Mufflers for Deep Powerful Sound
Mandrel-bent 16-gauge Stainless Steel Tubing
Includes Hangers and Hardware for Installation
Moderate to Aggressive Exterior Exhaust Tone
Header-back True Dual Exhaust System
Does Not Include Header Reducers
Lifetime Limited Warranty

info:

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Specifications

Vehicle make

Mopar

Vehicle model

B-bodies

Vehicle year

1968, 1969, 1970

Inlet diameter

2.50

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: WARNING: This product can expose you to chemicals including nickel (metallic) and chromium (hexavalent compounds) which are known to the State of California to cause cancer and birth defects, or other reproductive harm (For more information go to www.p65warnings.ca.gov)