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Flowmaster 817412 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
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Key item features
- Exhaust Design: Header-back true dual exhaust system with dual side exit tailpipes angled under the rear bumper.
- Sound Profile: Features Super 40 Series mufflers and an H-pipe crossover for an aggressive, deep, and powerful exhaust tone.
- Material Quality: Constructed from 16-gauge 409S stainless steel tubing, mandrel-bent for optimal flow.
- Pipe Dimensions: Utilizes 2.5-inch diameter stainless steel pipes throughout the system.
- Vehicle Compatibility: Designed for 1964-1967 GM A-Body models equipped with a V8 engine.
- Installation Inclusions: Comes complete with all necessary hangers and hardware for a straightforward installation.
- Performance Benefits: Engineered to provide improved throttle response, enhanced power, and better mileage.
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Specs
- Vehicle makeGM
- Vehicle modelA-Body
- Vehicle year1964, 1965, 1966, 1967
- Inlet diameter2.5 in
- Outlet diameter2.5 in
- Muffler typePerformance Mufflers
Current price is USD$921.95
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Columbus, 43215
Arrives by Fri, Feb 6
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Starting from $921.95
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About this item
Product details
Compatible with 1964-1967 GM A-Body with V8 engine, 2.5 in. Stainless Steel Pipes.;
This American Thunder® exhaust system comes as a complete true dual headers-back exhaust for your 1964-1967 GM A-body with a V8 engine. These dual exhaust systems feature 2.50 in. mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of large case Super 40® mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50 in. tailpipes exit at the rear corners of the car and angle down under the rear bumper for a strong muscular look. The system includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty.;
This American Thunder® exhaust system comes as a complete true dual headers-back exhaust for your 1964-1967 GM A-body with a V8 engine. These dual exhaust systems feature 2.50 in. mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of large case Super 40® mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50 in. tailpipes exit at the rear corners of the car and angle down under the rear bumper for a strong muscular look. The system includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage 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
- Lifetime Limited Warranty
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
GM
Vehicle model
A-Body
Vehicle year
1964, 1965, 1966, 1967
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.
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
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| Vehicle make | GMFlowmaster 817412 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound | RamFlowmaster Signature Series Exhaust System | FordFlowmaster Signature Series Exhaust System | Chevrolet; GMCFlowmaster Signature Series Exhaust System | FordFlowmaster 817934 Crossmember Back Exhaust System 2.5" 409 Stainless, Dual Exit | FordFlowmaster Signature Series Exhaust System | GMFlowmaster 17202 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | ToyotaFlowmaster Signature Series Exhaust System | Camaro and FirebirdFlowmaster 17129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | RAMFlowmaster 818204 American Thunder Direct Fit Muffler |
|---|---|---|---|---|---|---|---|---|---|---|
| Vehicle model | A-BodyFlowmaster 817412 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound | 1500Flowmaster Signature Series Exhaust System | F-150Flowmaster Signature Series Exhaust System | -Flowmaster Signature Series Exhaust System | F-100Flowmaster 817934 Crossmember Back Exhaust System 2.5" 409 Stainless, Dual Exit | BroncoFlowmaster Signature Series Exhaust System | 17202Flowmaster 17202 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | TacomaFlowmaster Signature Series Exhaust System | 17129Flowmaster 17129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | 1500Flowmaster 818204 American Thunder Direct Fit Muffler |
| Vehicle year | 1964Flowmaster 817412 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound | 2019Flowmaster Signature Series Exhaust System | 2021Flowmaster Signature Series Exhaust System | 2019Flowmaster Signature Series Exhaust System | 1967Flowmaster 817934 Crossmember Back Exhaust System 2.5" 409 Stainless, Dual Exit | 2021Flowmaster Signature Series Exhaust System | 1964Flowmaster 17202 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | 2016Flowmaster Signature Series Exhaust System | -Flowmaster 17129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | 2025Flowmaster 818204 American Thunder Direct Fit Muffler |
| Inlet diameter | 2.5 inFlowmaster 817412 Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound | 3.00 inFlowmaster Signature Series Exhaust System | -Flowmaster Signature Series Exhaust System | 3.00 inFlowmaster Signature Series Exhaust System | -Flowmaster 817934 Crossmember Back Exhaust System 2.5" 409 Stainless, Dual Exit | -Flowmaster Signature Series Exhaust System | 3.0 inFlowmaster 17202 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | -Flowmaster Signature Series Exhaust System | 2.5 inFlowmaster 17129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | 3.00 inFlowmaster 818204 American Thunder Direct Fit Muffler |
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