The Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the Pro Series mufflers consistently delivered performance that is equal to or surpasses open pipe systems, while dramatically reducing sound levels across the RPM range.
Resources
Installation InstructionsSpecifications:
| Body Height | 6.000 in. |
| Body Length | 12.000 in. |
| Body Width | 6.000 in. |
| California Proposition 65 Chemical Name 1 | Nickel (metallic) |
| California Proposition 65 Chemical Name 2 | Chromium (hexavalent compounds) |
| Color | Black |
| Description_ASC | Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations |
| Description_ASM | Universal Muffler - Not a direct fit. Some adaptation required. |
| Description_DEF | Exhaust Muffler |
| Description_DES | Pro Series Muffler |
| Description_EXT | Pro Series Muffler; 3.0 in. Inlet/Outlet; Body Size 6 in. x 12 in.; 17 in. Overall Length; Aluminized; |
| Description_FAB | 409 Stainless Steel Internal Construction |
| Description_FAB | Durable fully welded 18 gauge stainless steel case |
| Description_FAB | Durable Fully Welded 18ga Aluminized Steel Case |
| Description_FAB | High Horsepower Apps Include Diesels/RVS/Trucks |
| Description_FAB | Limited Lifetime Warranty |
| Description_FAB | Patented Laminar Flow Technology |
| Description_FAB | Premium Flowmaster Quality |
| Description_FAB | Race Proven Design |
| Description_FAB | Wide Spectrum Sound Cancellation Technology |
| Description_INV | PRO 3.00 IN/3.00 OUT 12 IN. |
| Description_KEY | Chambered; Exhaust; Performance muffler; muffler; flowmaster; race muffler; universal muffler; magnaflow; borla; gibson; stainless exhaust; stainless muffler; tuned muffler; sport muffler; tuner; tuned exhaust; exhaust upgrade; performance upgrade |
| Description_LAB | Made In Logo |
| Description_LAB | Proposition 65 |
| Description_MKT | The Pro Series mufflers work on all applications ranging from street trucks, diesel pullers and RV pushers to every class of racing on dirt or asphalt. During development, at the dyno and track, the Pro Series mufflers consistently delivered performance that is equal to or surpasses open pipe systems, while dramatically reducing sound levels across the RPM range. |
| Description_SHO | Muffler |
| height | 6.75 |
| Inlet Diameter | 3.000 in. |
| Inlet Inside Diameter | 3.000 in. |
| Inlet Outside Diameter | 3.000 in. |
| Inlet Position | Center |
| Inlet Type | Single Center |
| length | 20.6 |
| LTL | N |
| Main Piping Diameter | 3.000 in. |
| Material | Stainless Steel |
| Muffler Series | Pro Series |
| Outlet Diameter | 3.000 in. |
| Outlet Outside Diameter | 3.000 in. |
| Outlet Position | Center |
| Outlet Type | Single Center Outlet |
| Overall Length | 17.000 in. |
| Shape | Oval |
| Sound Level | Moderate |
| Tip Quantity | 0 |
| Title | Flowmaster 13012100 Pro Series Shortie Muffler - 3.00 Center In / 3.00 Center Out - Moderate Sound |
| WARNING CA Proposition 65 | Yes |
| WARNING CA Proposition 65 Message | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| weight | 9.77 |
| width | 6.85 |