The Flowmaster® Flow FX Muffler is designed for enthusiasts seeking an economical performance upgrade with a moderate sound level. Featuring a straight-through design, it delivers a clean, smooth tone both inside and outside the vehicle, offering a distinct alternative to the traditional chambered Flowmaster sound.

Constructed from fully welded 409 stainless steel, the Flow FX Muffler is durable and long-lasting. Its compact 4.00-inch round body makes it compatible with a wide range of vehicles, from street cars to trucks and SUVs. This muffler is sold separately and can be easily installed using slip-fit connections.

Fitment

• Universal fitment
• Compatible with 4- and 6-cylinder engines
• Classic and late-model muscle cars
• Street rods, trucks, and SUVs
• Street/strip applications

Features

• Durable fully welded 409 stainless steel case
• Straight-through design for smooth sound and improved flow
• Moderate exterior performance tone
• Compact 4.00-inch round body
• Flowmaster quality and reliability
• Universal fit for a wide range of vehicles

Specifications

• Brand: Flowmaster
• Body Diameter: 4.00 in
• Body Height: 4.00 in
• Body Length: 14.00 in
• Body Material: 409 Stainless Steel
• Color: Silver
• Finish: Natural
• Grade Type: Performance
• Hanger Included: No
• Heat Shield Attached: No
• Inlet Diameter: 3.00 in
• Inlet Inside Diameter: 3.00 in
• Inlet Outside Diameter: 3.13 in
• Inlet Connection: Slip-Fit / Clamp-On / Weld-On
• Inlet Location: Center
• Inlet Quantity: 1
• Muffler Series: FlowFX
• Muffler Type: Absorption
• Outlet Diameter: 3.00 in
• Outlet Inside Diameter: 3.00 in
• Outlet Outside Diameter: 3.13 in
• Outlet Connection: Slip-Fit
• Outlet Location: Center
• Outlet Quantity: 1
• Outlet Type: Single
• Overall Length: 20.00 in
• Part Type: Exhaust Muffler
• Product Type: Street Mufflers
• Reversible: Yes
• Shape: Round
• Sound Level: Moderate
• Sub Category: Mufflers
• Tunable: No
• Universal or Specific Fit: Universal
• Vehicle Type: 4/6 CYL Engine, Classic Muscle Car, Late Model Muscle Car, Street Rod, Street/Strip, Truck/SUV

Engineered for durability and performance, the Flow FX Muffler provides a moderate exterior tone, improved exhaust flow, and universal fitment for a variety of applications.