2015-2017 Ford Mustang Axle-back Exhaust System Flowmaster American Thunder 817749
2015-2017 Ford Mustang Axle-back Exhaust System Flowmaster American Thunder 817749
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Overview
The Flowmaster® American Thunder® Axle-back exhaust system for the 2015-2017 Ford Mustang GT is perfect for the person looking for an aggressive sound level both inside and outside of the car, with all of the performance benefits that you would expect from Flowmaster. This bolt-on emissions-legal system is for cars with the 5.0L engine and features 3.00-inch mandrel-bent tubing flowing into a pair of Super 44™ Series performance mufflers with 3.00-inch tailpipes for maximum performance and a deep powerful sound. The system is constructed from 409 stainless steel and features large 4.00-inch polished stainless steel tips for a refined look. The system is covered by our Flowmaster Lifetime Limited Warranty and is designed for an easy fit and includes all necessary parts and hardware for installation. Note: This system fits coupes and convertibles.
Features
- Large 4.00-inch Polished Stainless Steel Tips
- Dyno Tuned For Maximum Performance
- Large 3.00-inch Mandrel-bent Tubing
- Uses the Factory Hanger Locations
- Super 44 Performance Mufflers
- Stainless Steel Construction
- Quick and Easy Installation
- Lifetime Limited Warranty
Application
- Fits 2015-2017 Ford Mustang GT 5.0L Coupes & Convertibles.
Specs
2WD/4WD | RWD |
Brand | Flowmaster |
California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
California Proposition 65 Chemical Name | Nickel (Metallic) |
California Proposition 65 Required | Yes |
Catalytic Converter Included | No |
Color | Black |
Emission Code | 5 |
Exhaust Series | American Thunder |
Exit Position | Dual Out Rear |
Heat Shield | No |
Inlet Diameter (in) | 2.5 |
Material | 409 Stainless Steel |
Mount Type | Flanged |
Muffler Part Number | Kit Only |
Muffler Quantity | 2 |
Muffler Series | Super 44 |
Muffler Type | Welded Baffle |
Outlet Diameter (in) | 3 |
Product Type | Exhaust System |
Shape | Oval |
Single Dual | Dual |
Sound Level | Moderate/Aggressive |
System Type | Axle-back |
Tip Cut | Angle |
Tip Diameter (in) | 4 |
Tip Edge Style | Cut |
Tip Finish | Polished |
Tip Length (in) | 5.25 |
Tip Logo | Embossed |
Tip Material | Stainless Steel |
Tip Quantity | 2 |
Tip Shape | Round |
Tubing Diameter (in) | 3 |
Tubing Material | Stainless Steel |
Warning | California Proposition 65 |








Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.