Flowmaster
Flowmaster 738115 Signature Series Exhaust System
Flowmaster 738115 Signature Series Exhaust System
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Description & Features
Flowmaster 738115 Signature Series Exhaust System
Flowmaster's® Signature Series Cat-back exhaust system for the 2021-2026 Ford F-150 trucks with the 2.7, 3.5, and 5.0-liter engines. This system uses a TIG welded 304 stainless steel Siganture Series muffler for an aggressive to moderate sound level and increased performance. 3.00-inch mandrel bent brushed 304 stainless steel tubing allows for maximum exhaust flow and durability, while maintaining a highend appearance. This premium exhaust system is TIG welded for a stronger, more precise weld that looks as good as this system sounds. This system use a larger 4.50-inch PVD coated black chrome tip for a custom look. Max dyno gains of 13 hp and 16 lb-ft at the rear wheels. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.
- • Brushed 304 stainless steel offers maximum corrosion resistance for a cleaner and more high-end appearance.
- • TIG welding offers a more precise weld, better heat control and high-end appearance compared to MIG welding.
- • Black chrome tips offer a stylish upscale look.
- • Signature Series muffler offers an aggressive to moderate performance tone and increased performance over the stock system.
- • Installer friendly design allows for an at home installation.
- • Dyno proven performance gains you can feel.
- • Increased power and torque over the stock exhaust system.
- • Brushed appearance removes tooling marks for a cleaner overall look.
Specifications
| Brand | Flowmaster |
| California Proposition 65 | Yes |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| CARB (California) Compliant | Yes |
| Catalytic Converter Included | No |
| Catalytic Converter Quantity | 0 |
| Category | Exhaust |
| Clamping Type | Flat Band |
| Clamps Included | Yes |
| Emission Code | 5 |
| Exhaust Series | Signature Series |
| Exhaust Tip Color | Black |
| Exhaust Tip Connection | Clamp-On |
| Exhaust Tip Cut | Angled |
| Exhaust Tip Diameter | 4.50 |
| Exhaust Tip Edge | Rolled Edge |
| Exhaust Tip Finish | Black Chrome |
| Exhaust Tip Intercooled | No |
| Exhaust Tip Length | 11.00 |
| Exhaust Tip Material | 304 Stainless Steel |
| Exhaust Tip Quantity | 1 |
| Exhaust Tip Resonated | No |
| Exhaust Tip Shape | Round |
| Exhaust Tip Wall | Single Wall |
| Exit Style | Single Out Rear |
| Finish | Natural |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Hangers Included | Yes |
| Inlet Type | Flanged |
| Main Piping Diameter | 3.00 |
| Mounting Bracket Included | Yes |
| Muffler Body Height | 4.00 |
| Muffler Body Length | 18.00 |
| Muffler Body Material | 304 Stainless Steel |
| Muffler Body Shape | Oval |
| Muffler Body Width | 9.00 |
| Muffler Finish | Natural |
| Muffler Flanged Inlet | No |
| Muffler Flanged Outlet | No |
| Muffler Included | Yes |
| Muffler Inlet Connection | Slip-Fit |
| Muffler Inlet Inside Diameter | 3.00 |
| Muffler Inlet Outside Diameter | 3.13 |
| Muffler Outlet Connection | Slip-Fit |
| Muffler Outlet Quantity | 1 |
| Muffler Quantity | 1 |
| Muffler Type | Absorption |
| part type | Exhaust System |
| Pipe Color | Silver |
| Pipe Material | 304 Stainless Steel |
| Product Type | Exhaust System |
| Sound Level | Aggressive / Moderate |
| Spring Bolt Kit Included | No |
| Sub Category | Exhaust and Tail Pipes |
| Tail Pipe Outlet Outside Diameter | 3.00 |
| Tail Pipe Quantity | 1 |
| Tail Pipe Tapered Outlet | Yes |
| Type | Cat-back |
| Valve Included | No |
| Valve Type | Not Applicable |
| Warning | California Proposition 65 |
Packaging Information
Weight: 48 lbs
Dimensions: 58.5 x 16.25 x 11.25 IN
Safety
⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information visit www.P65Warnings.ca.gov
Warranty
Installation Instructions
View Installation Instructions (1) (PDF)
View Installation Instructions (2) (PDF)
⚠ Fitment Notes
- Black Chrome Tip Finish, Does not fit models with factory dual exhaust, active valve exhaust or hybrid Powerboost
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Vehicle Fitment
Vehicle Fitment
- 2021-2026 Ford F-150 King Ranch
- 2021-2026 Ford F-150 Lariat
- 2021-2023 Ford F-150 Limited
- 2021-2026 Ford F-150 Platinum
- 2021-2026 Ford F-150 Police Responder
- 2021-2026 Ford F-150 SSV
- 2024-2026 Ford F-150 STX
- 2021-2026 Ford F-150 Tremor
- 2021-2026 Ford F-150 XL
- 2021-2026 Ford F-150 XLT
