Flowmaster's American Thunder cat-back exhaust system for the 1998-2003 Ford F-150 pickup truck is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This system allows you the choice of either dual out the rear exit tailpipes, or dual out the sides behind the rear wheels, which is perfect for towing. The bolt-on 409S stainless steel system fits both the 4.6L and the 5.4L V8 engines and features a Super 40 Series performance muffler and dual 2.50-inch mandrel-bent tailpipes finished off with a pair of large 3.50-inch polished stainless steel tips. This system is designed to fit all 2/4 wheel drives, all wheelbases and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.
Specifications:
| Description_ASC |
Fits 1998-2003 Ford F-150 with 4.6L or 5.4L engine. Fits both 2/4-wheel drive models. |
| Description_EXT |
1998-2003 Ford F-150 with 4.6L or 5.4L engine. Fits both 2/4-wheel drive models. - Aggressive sound |
| Description_DES |
Flowmaster American Thunder Cat-back Exhaust System |
| Description_FAB |
Large 3.50-inch Polished 304 Stainless Steel Tips |
| Description_FAB |
Dual Outlet Super 40 Series Performance Muffler |
| Description_FAB |
Mandrel-bent Stainless Steel Construction |
| Description_FAB |
Aggressive Exterior Performance Tone |
| Description_FAB |
Uses the Factory Hanger Locations |
| Description_FAB |
Multiple Exit Styles Provided in Kit |
| Description_FAB |
Clears the Factory Spare Tire |
| Description_FAB |
Lifetime Limited Warranty |
| Description_FAB |
Moderate Interior Tone |
| Description_FAB |
Easy Installation |
| Description_MKT |
Flowmaster's American Thunder cat-back exhaust system for the 1998-2003 Ford F-150 pickup truck is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This system allows you the choice of either dual out the rear exit tailpipes, or dual out the sides behind the rear wheels, which is perfect for towing. The bolt-on 409S stainless steel system fits both the 4.6L and the 5.4L V8 engines and features a Super 40 Series performance muffler and dual 2.50-inch mandrel-bent tailpipes finished off with a pair of large 3.50-inch polished stainless steel tips. This system is designed to fit all 2/4 wheel drives, all wheelbases and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. |
| Description_INV |
98-03 FORD F150 ALL AMT DOR/S 409S |
| California Proposition 65 Chemical Name 1 |
Nickel (metallic) |
| Inlet Inside Diameter |
2.500 in. |
| System Type |
Cat Back |
| Muffler Quantity |
1 |
| Tip Length (in) |
13 |
| Muffler Series |
Super 40 Series |
| Tip Quantity |
2 |
| Tip Diameter |
3.500 in. |
| Tail Pipe Diameter |
2.500 in. |
| 2WD/4WD |
2WD/4WD |
| Exit Position |
Dual Out Rear / Dual Out Side |
| Heat Shield |
No |
| Outlet Diameter (in) |
2.5 |
| WARNING CA Proposition 65 |
Yes |
| California Proposition 65 Chemical Name 2 |
Chromium (hexavalent compounds) |
| Title |
Flowmaster 817663 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Aggressive Sound |
| Tubing Diameter |
2.500 in. |
| Muffler Part Number |
Kit Only |
| Inlet Diameter |
2.500 in. |
| Muffler Count |
1 |
| Outlet Diameter |
2.500 in. |
| Single or Dual |
Dual |
| Tip Length |
13.000 in. |
| Outlet Outside Diameter |
3.500 in. |
| Exhaust Type |
Dual |
| Exhaust Series |
American Thunder |
| Brand |
Flowmaster |
| California Proposition 65 Chemical Name |
Chromium (hexavalent compounds), Nickel (Metallic) |
| Emission Code |
5 |
| Inlet Diameter (in) |
2.5 |
| Material |
409 Stainless Steel |
| Tip Diameter (in) |
3.5 |
| Heat Shield Attached |
No |
| WARNING CA Proposition 65 Message |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Exit Style |
Turn Out |
| Sound Level |
Aggressive |
| California Proposition 65 Required |
Yes |
| Product Type |
Exhaust System |
| Single Dual |
Dual |
| Tubing Diameter (in) |
2.5 |
| Warning |
California Proposition 65 |
| Length |
12.0000 |
| Width |
18.0000 |
| Height |
65.0000 |
| Weight |
55.0000 |
