For the person who is looking for a complete Flowmaster® cat-back dual exhaust system with an aggressive tone. With easy fit in mind, this American Thunder® exhaust system features mandrel-bent 2.50-inch stainless steel tubing for maximum performance and includes a pair of specially selected Super 40® Series performance mufflers. The custom tailpipes feature added clearance and exit in the factory location with large 3.00-inch polished tips. The system uses the factory hanger locations for an easy install and delivers a moderate to aggressive interior and exterior tone, best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage and are designed for an easy fit. The system includes all necessary parts, hardware and instructions for an easy installation you can do at home.
Specifications:
Description_ASC |
"Fits 1999-2004 Ford Mustang GT, MACH1 and Bullitt with 4.6L SOHC engine. |
Description_DEF |
Exhaust System Kit |
Description_DES |
Flowmaster American Thunder Cat-back Exhaust System |
Description_FAB |
Includes Hangers and Hardware for an Easy Installation |
Description_FAB |
Mandrel-bent 16 Gauge Stainless Steel Tubing |
Description_FAB |
3.00-inch Polished 304 Stainless Steel Tips |
Description_FAB |
Dyno Tuned for Maximum Performance |
Description_FAB |
Super 40 Series Performance Mufflers |
Description_FAB |
Uses the Factory Hanger Locations |
Description_FAB |
Moderate Exterior Exhaust Tone |
Description_FAB |
Lifetime Limited Warranty |
Description_INV |
99-04 MUSTANG GT 4.6L AMT 409S |
Description_EXT |
American Thunder Cat Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tailpipes/Super 40 Series (TM) Mufflers/3.0 in. Stainless Tips; 409 Stainless Steel; |
Description_SHO |
Exhaust System Kit |
Description_MKT |
For the person who is looking for a complete Flowmaster® cat-back dual exhaust system with an aggressive tone. With easy fit in mind, this American Thunder® exhaust system features mandrel-bent 2.50-inch stainless steel tubing for maximum performance and includes a pair of specially selected Super 40® Series performance mufflers. The custom tailpipes feature added clearance and exit in the factory location with large 3.00-inch polished tips. The system uses the factory hanger locations for an easy install and delivers a moderate to aggressive interior and exterior tone, best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage and are designed for an easy fit. The system includes all necessary parts, hardware and instructions for an easy installation you can do at home. |
Muffler Count |
2 |
Inlet Diameter (in) |
2.5 |
Single or Dual |
Dual |
Outlet Diameter |
2.500 in. |
WARNING CA Proposition 65 |
Yes |
Exhaust Type |
Dual |
Heat Shield Attached |
No |
Inlet Diameter |
2.500 in. |
California Proposition 65 Chemical Name 1 |
Nickel (metallic) |
Title |
Flowmaster 817312 Cat-back System 409S - Dual Rear Exit - American Thunder - Moderate Sound |
Tubing Diameter |
2.500 in. |
2WD/4WD |
2WD |
Emission Code |
5 |
Heat Shield |
No |
Sound Level |
Aggressive / Moderate |
Warning |
California Proposition 65 |
California Proposition 65 Chemical Name 2 |
Chromium (hexavalent compounds) |
System Type |
Cat Back |
Exit Style |
Straight |
Tip Quantity |
2 |
Inlet Inside Diameter |
N/A |
WARNING CA Proposition 65 Message |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
Tail Pipe Diameter |
2.500 in. |
Muffler Series |
Super 40 Series |
Tip Diameter |
3.000 in. |
Brand |
Flowmaster |
California Proposition 65 Chemical Name |
Chromium (hexavalent compounds), Nickel (Metallic) |
California Proposition 65 Required |
Yes |
Material |
409 Stainless Steel |
Muffler Quantity |
2 |
Outlet Diameter (in) |
2.5 |
Product Type |
Exhaust System |
Single Dual |
Dual |
Tubing Diameter (in) |
2.5 |
Exhaust Series |
American Thunder |
Outlet Outside Diameter |
2.500 in. |
Muffler Part Number |
Kit Only |
Exit Position |
Dual Out Rear |
Tip Diameter (in) |
3 |
Length |
16.0000 |
Width |
16.0000 |
Height |
27.0000 |
Weight |
47.0000 |