Flowmaster
Flowmaster 3.5 IN(O)/OUT(O) 50 Series Heavy Duty Muffler
Why this price?
$277.95 is MSRP, the lowest price Flowmaster lets us list it at. Additionally, Pro members get $30.57 back on this part.
$277.95 − $30.57 = $247.38
Special Order
This part is still available to order. Once you place your order, we’ll submit it directly to Flowmaster, and they’ll ship it straight to you.
Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.
Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with Flowmaster, assuring you get the part as quickly as possible.
Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.
Not sure it fits? Read our tips.
Fitment tips
Fitment can come down to more than year, make and model. Sometimes the sub-model decides, so start with the fitment table below.
- Drive type. If your car is all-wheel drive, make sure the part is for all-wheel drive, not rear-wheel drive.
- Engine size. For engine parts, make sure the engine size on the product matches your engine.
- Transmission. Manual and automatic cars often take different parts.
- Body style. Sedan or hatch, two-door or four-door, cab and bed length on trucks.
Manufacturer data can sometimes have imperfections. Still not sure? We are happy to help.
Send us a message and we will confirm the fit.
Couldn't load pickup availability
Designed primarily for today's heavy duty gas and diesel trucks, this muffler will deliver improved performance, throttle response and mileage. Featuring a deeper, moderate tone with minimal resonance, it is ideal for trucks with modified engines. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
WarrantyInstallation Instructions
- Recommended for Dodge Ram Hemi, large displacement gas engines and diesel trucks
- Improved Horsepower, Torque and Engine Efficiency
- Mild interior resonance
- Moderate Sound
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2002,2007 | Chevrolet | Express 2500 | Base |
| 2001-2002,2007 | Chevrolet | Express 2500 | LS |
| 2007 | Chevrolet | Express 2500 | LT |
| 2001-2002 | Chevrolet | Express 3500 | Base |
| 2001-2002 | Chevrolet | Express 3500 | LS |
| 2008-2009 | Chevrolet | Silverado 1500 | LT |
| 2008-2009 | Chevrolet | Silverado 1500 | LTZ |
| 2008-2010 | Chevrolet | Silverado 2500 HD | LT |
| 2008-2010 | Chevrolet | Silverado 2500 HD | LTZ |
| 2008-2010 | Chevrolet | Silverado 2500 HD | WT |
| 2009-2010 | Ford | F-250 Super Duty | Cabela's |
| 2008-2009 | Ford | F-250 Super Duty | FX4 |
| 2008-2010 | Ford | F-250 Super Duty | Harley-Davidson Edition |
| 2008-2014 | Ford | F-250 Super Duty | King Ranch |
| 2008-2014 | Ford | F-250 Super Duty | Lariat |
| 2013-2014 | Ford | F-250 Super Duty | Platinum |
| 2008-2014 | Ford | F-250 Super Duty | XL |
| 2008-2014 | Ford | F-250 Super Duty | XLT |
| 2009-2010 | Ford | F-350 Super Duty | Cabela's |
| 2008-2009 | Ford | F-350 Super Duty | FX4 |
| 2008-2010 | Ford | F-350 Super Duty | Harley-Davidson Edition |
| 2008-2014 | Ford | F-350 Super Duty | King Ranch |
| 2008-2014 | Ford | F-350 Super Duty | Lariat |
| 2013-2014 | Ford | F-350 Super Duty | Platinum |
| 2008-2014 | Ford | F-350 Super Duty | XL |
| 2008-2014 | Ford | F-350 Super Duty | XLT |
| 2001-2002,2010 | GMC | Savana 2500 | Base |
| 2002 | GMC | Savana 2500 | SLT |
| 2001-2002,2010 | GMC | Savana 3500 | Base |
| 2001-2002 | GMC | Savana 3500 | SLT |
| 2009 | GMC | Sierra 1500 | Hybrid |
| 2007-2009 | GMC | Sierra 1500 | SLE |
| 2007-2009 | GMC | Sierra 1500 | SLT |
| 2007-2010 | GMC | Sierra 2500 HD | SLE |
| 2007-2010 | GMC | Sierra 2500 HD | SLT |
| 2007-2010 | GMC | Sierra 2500 HD | WT |
| 2014 | Ram | 2500 | Big Horn |
| 2014 | Ram | 2500 | Laramie |
| 2014 | Ram | 2500 | Laramie Limited |
| 2014 | Ram | 2500 | Laramie Longhorn |
| 2014 | Ram | 2500 | Lone Star |
| 2014 | Ram | 2500 | Outdoorsman |
| 2014 | Ram | 2500 | SLT |
| 2014 | Ram | 2500 | Tradesman |
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