Dynomax Ultra Flo 39311 Exhaust System Kit
DynoMax® Ultra Flo™ Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The 'Pure Unadulterated POWER' of DynoMax® Ultra Flo™ Welded mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee™. All Dynomax® Performance Exhaust Systems bolt on for easy installation. Your vehicle's complete exhaust can be quickly and easily customized with an emissions-legal premium performance system from Dynomax®.
- Stainless steel construction for lifelong protection
- 100% welded design for maximum durability
- Straight through design ensures unrestricted exhaust flow and reduces back pressure
- CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
- Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.
Application Summary:
| Year |
Make/Model |
| 1999-2006 |
Chevrolet Silverado 1500 |
| 2007 |
Chevrolet Silverado 1500 Classic |
| 1999-2000 |
Chevrolet Silverado 2500 |
| 1999-2006 |
GMC Sierra 1500 |
| 2007 |
GMC Sierra 1500 Classic |
| 1999-2000 |
GMC Sierra 2500 |
| Attributes |
| Bend Type |
Mandrel, Mandrel |
| Body Finish |
Natural |
| Body Length |
16 |
| California Proposition 65 |
No |
| Catalytic Converter Included |
No |
| Clamp Count |
2, 2 |
| Clamp Type |
Band, Band |
| Class |
PD |
| Country of Origin (Primary) |
US |
| Emission Code |
Legal US |
| Exhaust Type |
Single |
| Exit Location |
Angle |
| Exit Position |
Angle |
| Exit Style |
Straight |
| Finish |
Aluminized |
| Grade Type |
Performance |
| Harmonized Tariff Code (Schedule B) |
8708925000 |
| Hazardous Material Code |
N |
| Inlet Inside Diameter |
3.000 in. |
| Inlet Inside Diameter (in.) |
3 |
| Inlet Quantity |
1, 1 |
| Inlet Size (in.) |
3 |
| Kit Contents |
Intermediate Pipe, Muffler, Tail Pipe, Clamps, Intermediate Pipe, Muffler, Tail Pipe, Clamps |
| Life Cycle Status Code |
Available to Order |
| Material |
Stainless Steel |
| Max Year Covered |
2007 |
| Min Year Covered |
1999 |
| Most Popular Make/Model |
Chevrolet Silverado 1500 |
| Most Popular Year |
2000 |
| Mounting Hardware Included |
Yes |
| Muffler Body Finish |
Bare |
| Muffler Body Material |
Stainless Steel |
| Muffler Count |
1, 1 |
| Muffler Finish |
Bare |
| Muffler Material |
Stainless Steel |
| Muffler Quantity |
1 |
| Muffler Type |
Straight-Through |
| Muffler Type Included |
Ultra Flo Welded, Ultra Flo Welded |
| NAFTA Preference Criterion Code |
B |
| Outlet Outside Diameter |
3.000 in. |
| Outlet Outside Diameter (in.) |
3 |
| Outlet Quantity |
1, 1 |
| Outlet Size (in.) |
3 |
| Oxygen Sensor Bung Included |
No |
| Pipe Diameter |
3 |
| Pipe Finish |
Natural, Natural |
| Pipe Material |
Stainless Steel, Stainless Steel |
| Product Grade |
Premium |
| SDR Required Flag |
N |
| Single or Dual |
Single, Single |
| System Style |
Cat Back |
| System Type |
Single, Cat Back |
| Tail Pipe Diameter |
3.000 in. |
| Tip Cut |
Angle |
| Tip Diameter |
3.000 in. |
| Tip Edge Style |
Non-Rolled |
| Tip Finish |
Polished |
| Tip Material |
Stainless Steel, Stainless Steel |
| Tip Outlet Size |
3, 3 |
| Tip Shape |
Round |
| Tip Size |
3 in. |
| Total Part VIO |
4076289 |
| Tubing Diameter |
3.000 in. |
| GTIN |
00086387393119 |
Veteran-Owned | Same-Day Installs On Most Jobs.