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.

The standard shipping rate applies to orders within the continental United States. If you intend to place an order outside of the continental US, please reach out to support@x-ph.com for assistance.