Description
Flowmaster’s 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 DOR (Dual Out Rear) emissions-legal system for cars with the 5.0L engine features a pair of Super 44 Series mufflers and dual mandrel bent 3.00in tailpipes for maximum performance. The system is built out of 409S stainless steel and utilizes 4.00in stainless steel tips. The exhaust system is covered by Flowmaster’s Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: This system fits hardtops and convertibles.
Resources
Installation Instructions
Specifications:
| California Proposition 65 Chemical Name 1 | Nickel (metallic) |
| California Proposition 65 Chemical Name 2 | Chromium (hexavalent compounds) |
| Catalytic Converter Included | No |
| Color | Black |
| Description_ASC | Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations |
| Description_ASM | Fits 2015-2017 Ford Mustang GT; Fastback and Convertible Models with 5.0L V8 engine. |
| Description_DEF | Exhaust System Kit |
| Description_DES | American Thunder Axle Back Exhaust System |
| Description_EXT | American Thunder Axle Back Exhaust System; Dual; Dual Rear Exit; 3.0 in. Outlet; Super 44 Delta Flow Mufflers; 409 Stainless Steel; |
| Description_FAB | Aggressive Exterior Exhaust Tone |
| Description_FAB | Axle Back System |
| Description_FAB | Dual Out Rear Exit |
| Description_FAB | Dyno Tuned for Maximum Performance |
| Description_FAB | Incl. Hangers and Hardware For Easy Installation |
| Description_FAB | Limited Lifetime Warranty |
| Description_FAB | Mandrel Bent Tubing |
| Description_FAB | Patented Delta Flow Technology |
| Description_FAB | Premium Flowmaster Quality |
| Description_INV | 15-17 MUSTANG GT 5.0L AB AMT 409S |
| Description_KEY | 817749; axle-back; american thunder kit; stainless steel |
| Description_LAB | Made In Logo |
| Description_LAB | Proposition 65 |
| Description_MKT | Flowmaster’s 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 DOR (Dual Out Rear) emissions-legal system for cars with the 5.0L engine features a pair of Super 44 Series mufflers and dual mandrel bent 3.00in tailpipes for maximum performance. The system is built out of 409S stainless steel and utilizes 4.00in stainless steel tips. The exhaust system is covered by Flowmaster’s Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: This system fits hardtops and convertibles. |
| Description_MKT | 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. |
| Description_SHO | Exhaust System Kit |
| Exhaust Type | Dual |
| Exit Position | Dual Rear |
| Exit Style | Straight |
| Heat Shield Attached | No |
| height | 12.4 |
| Inlet Diameter | 2.500 in. |
| Inlet Inside Diameter | 3.000 in. |
| length | 58.0 |
| LTL | N |
| Material | Stainless Steel |
| Mount Type | Flanged |
| Muffler Count | 2 |
| Muffler Part Number | Kit Only |
| Muffler Series | Super 44 |
| Muffler Type | Welded Baffle |
| Outlet Diameter | 3.000 in. |
| Outlet Outside Diameter | 3.000 in. |
| Shape | Oval |
| Single or Dual | Dual |
| Sound Level | Moderate/Aggressive |
| System Type | Axle Back |
| Tail Pipe Diameter | 3.000 in. |
| Tip Cut | Angle |
| Tip Diameter | 4.000 in. |
| Tip Edge Style | Cut |
| Tip Finish | Polished |
| Tip Length | 5.250 in. |
| Tip Logo | Embossed |
| Tip Material | Stainless Steel |
| Tip Quantity | 2 |
| Tip Shape | Round |
| Tip Type | Double Wall |
| Title | Flowmaster 817749 Axle-back System – 409S – Dual Rear Exit – American Thunder – Mod/Agg Sound |
| Tubing Diameter | 3.000 in. |
| Tubing Material | Stainless Steel |
| WARNING CA Proposition 65 | Yes |
| WARNING CA Proposition 65 Message | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
| weight | 36.2 |
| width | 17.0 |
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