For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides, Single Side Exit (Single out side) systems are the perfect choice. American Thunder systems deliver a moderate to aggressive tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
| Description_ABR |
SYS 09-14 FO |
| Description_SHO |
SYS 09-14 FORD F150 |
| Description_INV |
09-14 FORD F150 AMT SOS 409S |
| Description_ASC |
Fits 2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engines, fits all wheelbases. Also fits 2010 SVT Raptor wit 5.4L. |
| Description_DES |
Flowmaster American Thunder Cat-back Exhaust System |
| Description_EXT |
2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engines. Fits all wheelbases. - Aggressive to moderate sound |
| Description_MKT |
For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides, Single Side Exit (Single out side) systems are the perfect choice. American Thunder systems deliver a moderate to aggressive tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. |
| Description_FAB |
Stainless Steel Construction |
| Description_FAB |
Dyno proven performance gains |
| Description_FAB |
Delta Flow Technology |
| Description_FAB |
Lifetime limited warranty |
| Description_ABR |
SYS 09-14 FO |
| Description_SHO |
SYS 09-14 FORD F150 |
| Description_INV |
09-14 FORD F150 AMT SOS 409S |
| Description_ASC |
Fits 2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engines, fits all wheelbases. Also fits 2010 SVT Raptor wit 5.4L. |
| Description_DES |
Flowmaster American Thunder Cat-back Exhaust System |
| Description_EXT |
2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engines. Fits all wheelbases. - Aggressive to moderate sound |
| Description_MKT |
For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides, Single Side Exit (Single out side) systems are the perfect choice. American Thunder systems deliver a moderate to aggressive tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. |
| Description_FAB |
Stainless Steel Construction |
| Description_FAB |
Dyno proven performance gains |
| Description_FAB |
Delta Flow Technology |
| Description_FAB |
Lifetime limited warranty |
| Brand |
Flowmaster |
| California Proposition 65 |
Yes |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| CARB (California) Compliant |
Yes |
| Catalytic Converter Included |
No |
| 2874 |
0 |
| Category |
Exhaust |
| 3728 |
Flat Band |
| 1882 |
Yes |
| Emission Code |
5 |
| Exhaust Series |
American Thunder |
| 11205 |
Silver |
| 9874 |
Welded |
| 9876 |
Angled |
| 1162 |
4.00 |
| 9877 |
Rolled Edge Angle Cut |
| 1163 |
Polished |
| 9881 |
No |
| 10104 |
10.00 |
| 1164 |
304 Stainless Steel |
| 1161 |
1 |
| 9878 |
No |
| 10980 |
Round |
| 9875 |
Single Wall |
| 9870 |
Single Out Side |
| 200 |
Natural |
| 353 |
No |
| 3390 |
Performance |
| 4364 |
Yes |
| Heat Shield Included |
No |
| Inlet Diameter |
3.00 |
| 596 |
Flanged |
| 9871 |
3.50 |
| 92 |
No |
| 9884 |
5.00 |
| 1892 |
18.00 |
| 4372 |
409 Stainless Steel |
| 4373 |
Oval |
| Muffler Color |
Black |
| 9882 |
Black High-Temperature Paint Finish |
| 4367 |
No |
| 4368 |
No |
| Muffler Included |
Yes |
| 9962 |
Slip-Fit |
| 4365 |
3.00 |
| 4366 |
3.13 |
| 9963 |
Slip-Fit |
| 4375 |
1 |
| Muffler Part Number |
Kit Only |
| 4374 |
1 |
| Muffler Series |
50 Series HD |
| 1174 |
Chambered |
| part type |
Exhaust System |
| 3530 |
409 Stainless Steel |
| Product Type |
Exhaust System |
| Sound Level |
Aggressive / Moderate |
| 4377 |
No |
| Sub Category |
Exhaust and Tail Pipes |
| 4369 |
3.50 |
| 4376 |
1 |
| Tail Pipe Quantity |
Single |
| 4370 |
No |
| 26 |
Cat-Back |
| 6014 |
No |
| 2126 |
Not Applicable |
| Warning |
California Proposition 65 |
| Pipe Color |
Silver |
| Drive |
4WD |
| Drive |
2WD |
| 9885 |
10.00 |
| Brand |
Flowmaster |
| California Proposition 65 |
Yes |
| California Proposition 65 Chemical Name |
Nickel (Metallic) |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds) |
| CARB (California) Compliant |
Yes |
| Catalytic Converter Included |
No |
| 2874 |
0 |
| Category |
Exhaust |
| 3728 |
Flat Band |
| 1882 |
Yes |
| Emission Code |
5 |
| Exhaust Series |
American Thunder |
| 11205 |
Silver |
| 9874 |
Welded |
| 9876 |
Angled |
| 1162 |
4.00 |
| 9877 |
Rolled Edge Angle Cut |
| 1163 |
Polished |
| 9881 |
No |
| 10104 |
10.00 |
| 1164 |
304 Stainless Steel |
| 1161 |
1 |
| 9878 |
No |
| 10980 |
Round |
| 9875 |
Single Wall |
| 9870 |
Single Out Side |
| 200 |
Natural |
| 353 |
No |
| 3390 |
Performance |
| 4364 |
Yes |
| Heat Shield Included |
No |
| Inlet Diameter |
3.00 |
| 596 |
Flanged |
| 9871 |
3.50 |
| 92 |
No |
| 9884 |
5.00 |
| 1892 |
18.00 |
| 4372 |
409 Stainless Steel |
| 4373 |
Oval |
| Muffler Color |
Black |
| 9882 |
Black High-Temperature Paint Finish |
| 4367 |
No |
| 4368 |
No |
| Muffler Included |
Yes |
| 9962 |
Slip-Fit |
| 4365 |
3.00 |
| 4366 |
3.13 |
| 9963 |
Slip-Fit |
| 4375 |
1 |
| Muffler Part Number |
Kit Only |
| 4374 |
1 |
| Muffler Series |
50 Series HD |
| 1174 |
Chambered |
| part type |
Exhaust System |
| 3530 |
409 Stainless Steel |
| Product Type |
Exhaust System |
| Sound Level |
Aggressive / Moderate |
| 4377 |
No |
| Sub Category |
Exhaust and Tail Pipes |
| 4369 |
3.50 |
| 4376 |
1 |
| Tail Pipe Quantity |
Single |
| 4370 |
No |
| 26 |
Cat-Back |
| 6014 |
No |
| 2126 |
Not Applicable |
| Warning |
California Proposition 65 |
| Pipe Color |
Silver |
| Drive |
4WD |
| Drive |
2WD |
| 9885 |
10.00 |
| Year |
Make |
Model |
Submodel |
Notes |
| 2010 |
Ford |
F-150 |
FX2 |
Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
FX2 |
Aggressive to moderate sound |
| 2011 |
Ford |
F-150 |
FX2 |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2012 |
Ford |
F-150 |
FX2 |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2013 |
Ford |
F-150 |
FX2 |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2014 |
Ford |
F-150 |
FX2 |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2009 |
Ford |
F-150 |
FX4 |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
FX4 |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2011 |
Ford |
F-150 |
FX4 |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2012 |
Ford |
F-150 |
FX4 |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2013 |
Ford |
F-150 |
FX4 |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2014 |
Ford |
F-150 |
FX4 |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
Harley-Davidson Edition |
Aggressive to moderate sound |
| 2009 |
Ford |
F-150 |
King Ranch |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
King Ranch |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2011 |
Ford |
F-150 |
King Ranch |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2012 |
Ford |
F-150 |
King Ranch |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2013 |
Ford |
F-150 |
King Ranch |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2014 |
Ford |
F-150 |
King Ranch |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2009 |
Ford |
F-150 |
Lariat |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
Lariat |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2011 |
Ford |
F-150 |
Lariat |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2012 |
Ford |
F-150 |
Lariat |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2013 |
Ford |
F-150 |
Lariat |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2014 |
Ford |
F-150 |
Lariat |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2009 |
Ford |
F-150 |
Platinum |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
Platinum |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2011 |
Ford |
F-150 |
Platinum |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2012 |
Ford |
F-150 |
Platinum |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2013 |
Ford |
F-150 |
Platinum |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2014 |
Ford |
F-150 |
Platinum |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2009 |
Ford |
F-150 |
STX |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
STX |
Aggressive to moderate sound,Aggressive to moderate sound |
| 2011 |
Ford |
F-150 |
STX |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2012 |
Ford |
F-150 |
STX |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2013 |
Ford |
F-150 |
STX |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2014 |
Ford |
F-150 |
STX |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
SVT Raptor |
Aggressive to moderate sound |
| 2009 |
Ford |
F-150 |
XL |
Aggressive to moderate sound |
| 2009 |
Ford |
F-150 |
XL |
Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
XL |
Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
XL |
Aggressive to moderate sound |
| 2011 |
Ford |
F-150 |
XL |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2012 |
Ford |
F-150 |
XL |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2013 |
Ford |
F-150 |
XL |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2014 |
Ford |
F-150 |
XL |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2009 |
Ford |
F-150 |
XLT |
Aggressive to moderate sound |
| 2009 |
Ford |
F-150 |
XLT |
Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
XLT |
Aggressive to moderate sound |
| 2010 |
Ford |
F-150 |
XLT |
Aggressive to moderate sound |
| 2011 |
Ford |
F-150 |
XLT |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2012 |
Ford |
F-150 |
XLT |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2013 |
Ford |
F-150 |
XLT |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
| 2014 |
Ford |
F-150 |
XLT |
Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound,Aggressive to moderate sound |
