Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

| Download Name | File Size |
| fm_warranty_general.pdf | 88.58KB |
| Make | Model | Submodel | Years | Engine |
| Chevrolet | Express 2500 | Base | 2001 | 6.5L / 395 / V8 |
| Chevrolet | Express 2500 | Base | 2002 | 6.5L / 395 / V8 |
| Chevrolet | Express 2500 | Base | 2007 | 6.0L / 364 / V8 |
| Chevrolet | Express 2500 | LS | 2001 | 6.5L / 395 / V8 |
| Chevrolet | Express 2500 | LS | 2002 | 6.5L / 395 / V8 |
| Chevrolet | Express 2500 | LS | 2007 | 6.0L / 364 / V8 |
| Chevrolet | Express 2500 | LT | 2007 | 6.0L / 364 / V8 |
| Chevrolet | Express 3500 | Base | 2001 | 6.5L / 395 / V8 |
| Chevrolet | Express 3500 | Base | 2002 | 6.5L / 395 / V8 |
| Chevrolet | Express 3500 | LS | 2001 | 6.5L / 395 / V8 |
| Chevrolet | Express 3500 | LS | 2002 | 6.5L / 395 / V8 |
| Chevrolet | Silverado 1500 | LTZ | 2008 | 6.0L / 364 / V8 |
| Chevrolet | Silverado 1500 | LTZ | 2009 | 6.0L / 364 / V8 |
| Chevrolet | Silverado 1500 | LT | 2008 | 6.0L / 364 / V8 |
| Chevrolet | Silverado 1500 | LT | 2009 | 6.0L / 364 / V8 |
| Chevrolet | Silverado 2500 HD | 2008 | 6.0L / 364 / V8 | |
| Chevrolet | Silverado 2500 HD | 2009 | 6.0L / 364 / V8 | |
| Chevrolet | Silverado 2500 HD | 2010 | 6.0L / 364 / V8 | |
| Chevrolet | Silverado 3500 | 2004 | 6.0L / 364 / V8 | |
| Ford | F-250 Super Duty | Cabela's | 2009 | 6.4L / 391 / V8 6.8L / 415 / V10 5.4L / 330 / V8 |
| Ford | F-250 Super Duty | Cabela's | 2010 | 6.4L / 391 / V8 6.8L / 415 / V10 5.4L / 330 / V8 |
| Ford | F-250 Super Duty | FX4 | 2008 | 6.4L / 391 / V8 6.8L / 415 / V10 5.4L / 330 / V8 |
| Ford | F-250 Super Duty | FX4 | 2009 | 6.4L / 391 / V8 6.8L / 415 / V10 5.4L / 330 / V8 |
| Ford | F-250 Super Duty | Harley-Davidson Edition | 2008 | 6.8L / 415 / V10 6.4L / 391 / V8 |
| Ford | F-250 Super Duty | Harley-Davidson Edition | 2009 | 6.8L / 415 / V10 6.4L / 391 / V8 |
| Ford | F-250 Super Duty | Harley-Davidson Edition | 2010 | 6.4L / 391 / V8 |
| Ford | F-250 Super Duty | King Ranch | 2008 | 6.4L / 391 / V8 6.8L / 415 / V10 5.4L / 330 / V8 |
| Ford | F-250 Super Duty | King Ranch | 2009 | 6.4L / 391 / V8 6.8L / 415 / V10 5.4L / 330 / V8 |
| Ford | F-250 Super Duty | King Ranch | 2010 | 6.4L / 391 / V8 6.8L / 415 / V10 5.4L / 330 / V8 |
| Ford | F-250 Super Duty | King Ranch | 2011 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-250 Super Duty | King Ranch | 2012 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-250 Super Duty | King Ranch | 2013 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-250 Super Duty | King Ranch | 2014 | 6.2L / 379 / V8 |
| Ford | F-250 Super Duty | Lariat | 2008 | 5.4L / 330 / V8 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-250 Super Duty | Lariat | 2009 | 5.4L / 330 / V8 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-250 Super Duty | Lariat | 2010 | 5.4L / 330 / V8 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-250 Super Duty | Lariat | 2011 | 6.7L / 406 / V8 6.2L / 379 / V8 |
| Ford | F-250 Super Duty | Lariat | 2012 | 6.7L / 406 / V8 6.2L / 379 / V8 |
| Ford | F-250 Super Duty | Lariat | 2013 | 6.7L / 406 / V8 6.2L / 379 / V8 |
| Ford | F-250 Super Duty | Lariat | 2014 | 6.2L / 379 / V8 |
| Ford | F-250 Super Duty | Platinum | 2013 | 6.7L / 406 / V8 6.2L / 379 / V8 |
| Ford | F-250 Super Duty | Platinum | 2014 | 6.2L / 379 / V8 |
| Ford | F-250 Super Duty | XLT | 2008 | 6.4L / 391 / V8 5.4L / 330 / V8 6.8L / 415 / V10 |
| Ford | F-250 Super Duty | XLT | 2009 | 6.4L / 391 / V8 5.4L / 330 / V8 6.8L / 415 / V10 |
| Ford | F-250 Super Duty | XLT | 2010 | 6.4L / 391 / V8 5.4L / 330 / V8 6.8L / 415 / V10 |
| Ford | F-250 Super Duty | XLT | 2011 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-250 Super Duty | XLT | 2012 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-250 Super Duty | XLT | 2013 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-250 Super Duty | XLT | 2014 | 6.2L / 379 / V8 |
| Ford | F-250 Super Duty | XL | 2008 | 5.4L / 330 / V8 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-250 Super Duty | XL | 2009 | 5.4L / 330 / V8 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-250 Super Duty | XL | 2010 | 5.4L / 330 / V8 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-250 Super Duty | XL | 2011 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-250 Super Duty | XL | 2012 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-250 Super Duty | XL | 2013 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-250 Super Duty | XL | 2014 | 6.2L / 379 / V8 |
| Ford | F-350 Super Duty | Cabela's | 2009 | 6.8L / 415 / V10 5.4L / 330 / V8 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | Cabela's | 2010 | 6.8L / 415 / V10 5.4L / 330 / V8 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | FX4 | 2008 | 6.8L / 415 / V10 5.4L / 330 / V8 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | FX4 | 2009 | 6.8L / 415 / V10 5.4L / 330 / V8 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | Harley-Davidson Edition | 2008 | 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-350 Super Duty | Harley-Davidson Edition | 2009 | 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-350 Super Duty | Harley-Davidson Edition | 2010 | 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | King Ranch | 2008 | 6.8L / 415 / V10 5.4L / 330 / V8 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | King Ranch | 2009 | 6.8L / 415 / V10 5.4L / 330 / V8 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | King Ranch | 2010 | 6.8L / 415 / V10 5.4L / 330 / V8 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | King Ranch | 2011 | 6.7L / 406 / V8 6.2L / 379 / V8 |
| Ford | F-350 Super Duty | King Ranch | 2012 | 6.7L / 406 / V8 6.2L / 379 / V8 |
| Ford | F-350 Super Duty | King Ranch | 2013 | 6.7L / 406 / V8 6.2L / 379 / V8 |
| Ford | F-350 Super Duty | King Ranch | 2014 | 6.2L / 379 / V8 |
| Ford | F-350 Super Duty | Lariat | 2008 | 5.4L / 330 / V8 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-350 Super Duty | Lariat | 2009 | 5.4L / 330 / V8 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-350 Super Duty | Lariat | 2010 | 5.4L / 330 / V8 6.4L / 391 / V8 6.8L / 415 / V10 |
| Ford | F-350 Super Duty | Lariat | 2011 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-350 Super Duty | Lariat | 2012 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-350 Super Duty | Lariat | 2013 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-350 Super Duty | Lariat | 2014 | 6.2L / 379 / V8 |
| Ford | F-350 Super Duty | Platinum | 2013 | 6.7L / 406 / V8 6.2L / 379 / V8 |
| Ford | F-350 Super Duty | Platinum | 2014 | 6.2L / 379 / V8 |
| Ford | F-350 Super Duty | XLT | 2008 | 5.4L / 330 / V8 6.8L / 415 / V10 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | XLT | 2009 | 5.4L / 330 / V8 6.8L / 415 / V10 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | XLT | 2010 | 5.4L / 330 / V8 6.8L / 415 / V10 6.4L / 391 / V8 |
| Ford | F-350 Super Duty | XLT | 2011 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-350 Super Duty | XLT | 2012 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-350 Super Duty | XLT | 2013 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-350 Super Duty | XLT | 2014 | 6.2L / 379 / V8 |
| Ford | F-350 Super Duty | XL | 2008 | 6.8L / 415 / V10 6.4L / 391 / V8 5.4L / 330 / V8 |
| Ford | F-350 Super Duty | XL | 2009 | 6.8L / 415 / V10 6.4L / 391 / V8 5.4L / 330 / V8 |
| Ford | F-350 Super Duty | XL | 2010 | 6.8L / 415 / V10 6.4L / 391 / V8 5.4L / 330 / V8 |
| Ford | F-350 Super Duty | XL | 2011 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-350 Super Duty | XL | 2012 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-350 Super Duty | XL | 2013 | 6.2L / 379 / V8 6.7L / 406 / V8 |
| Ford | F-350 Super Duty | XL | 2014 | 6.2L / 379 / V8 |
| GMC | Savana 2500 | Base | 2001 | 6.5L / 395 / V8 |
| GMC | Savana 2500 | Base | 2002 | 6.5L / 395 / V8 |
| GMC | Savana 2500 | Base | 2010 | 6.0L / 364 / V8 |
| GMC | Savana 2500 | SLT | 2002 | 6.5L / 395 / V8 |
| GMC | Savana 3500 | Base | 2001 | 6.5L / 395 / V8 |
| GMC | Savana 3500 | Base | 2002 | 6.5L / 395 / V8 |
| GMC | Savana 3500 | Base | 2010 | 6.0L / 364 / V8 |
| GMC | Savana 3500 | SLT | 2001 | 6.5L / 395 / V8 |
| GMC | Savana 3500 | SLT | 2002 | 6.5L / 395 / V8 |
| GMC | Sierra 1500 | 2007 | 6.0L / 364 / V8 | |
| GMC | Sierra 1500 | 2008 | 6.0L / 364 / V8 | |
| GMC | Sierra 1500 | 2009 | 6.0L / 364 / V8 | |
| GMC | Sierra 2500 HD | 2007 | 6.0L / 364 / V8 | |
| GMC | Sierra 2500 HD | 2008 | 6.0L / 364 / V8 | |
| GMC | Sierra 2500 HD | 2009 | 6.0L / 364 / V8 | |
| GMC | Sierra 2500 HD | 2010 | 6.0L / 364 / V8 | |
| Ram | 2500 | Big Horn | 2014 | 6.4L / 392 / V8 |
| Ram | 2500 | Laramie Limited | 2014 | 6.4L / 392 / V8 |
| Ram | 2500 | Laramie Longhorn | 2014 | 6.4L / 392 / V8 |
| Ram | 2500 | Laramie | 2014 | 6.4L / 392 / V8 |
| Ram | 2500 | Lone Star | 2014 | 6.4L / 392 / V8 |
| Ram | 2500 | Outdoorsman | 2014 | 6.4L / 392 / V8 |
| Ram | 2500 | SLT | 2014 | 6.4L / 392 / V8 |
| Ram | 2500 | Tradesman | 2014 | 6.4L / 392 / V8 |
| Automotive Item Grade | High Performance |
| Body Height (in) | 5 |
| Body Length (in) | 18 |
| Body Width (in) | 10 |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds), Nickel (Metallic) |
| California Proposition 65 Required | Yes |
| Color | Black |
| Emission Code | 5 |
| Finish | Paint |
| Fitment | Universal |
| Inlet Connection Type | Pipe Connection |
| Inlet Diameter (in) | 3.5 |
| Inlet Position | Offset |
| Material | 409 Stainless Steel |
| Muffler Series | 50 Series HD |
| Muffler Type | Chambered |
| Outlet Connection Type | Pipe Connection |
| Outlet Diameter (in) | 3.5 |
| Outlet Position | Offset |
| Overall Length (in) | 18, 18 |
| Part Type | Exhaust Muffler |
| Product Type | Street Mufflers |
| Proposition 65 | www.P65Warnings.ca.gov |
| Reversible | No |
| Shape | Oval |
| Sound Level | Moderate Sound |
| Type of Muffler | Chambered |
| Vehicle Type | Diesel, Truck/SUV |
| Warranty | Limited Lifetime (Lifetime) |