Login for Access to Member Pricing

Flowmaster

Flowmaster Ram 2500 6.4L Super 40 Series Muffler

MPN: 853548 Catalog #: 001077923 Category: Muffler Check Vehicle Fitment

Product Details

Flowmaster Chevrolet Silverado 3500 6.6L Super 40 Series Muffler, Flowmaster Chevrolet Silverado 2500 HD 6.6L Super 40 Series Muffler, Flowmaster Chevrolet Silverado 2500 HD 6.0L Super 40 Series Muffler, Flowmaster Ram 2500 6.4L Super 40 Series Muffler, Flowmaster Ram 3500 6.4L Super 40 Series Muffler, Flowmaster Ford F-150 6.2L Super 40 Series Muffler, Flowmaster Ford F-250 Super Duty 6.2L Super 40 Series Muffler, Flowmaster Ford F-350 Super Duty 6.2L Super 40 Series Muffler, Flowmaster GMC Sierra 2500 HD 6.6L Super 40 Series Muffler, Flowmaster GMC Sierra 2500 HD 6.0L Super 40 Series Muffler, Flowmaster GMC Sierra 3500 HD 6.0L Super 40 Series Muffler, Flowmaster GMC Sierra 3500 6.6L Super 40 Series Muffler

Flowmaster Chevrolet Silverado 2500 HD 6.6L Super 40 Series Muffler, Flowmaster Ford F-250 Super Duty 6.2L Super 40 Series Muffler, Flowmaster Ram 2500 6.4L Super 40 Series Muffler

Flowmaster introduces their new Super 40 Series muffler intended for late model pickup trucks with 3.5in OEM tubing size. This muffler features a 3.5in offset inlet/offset outlet configuration with larger 4.0in internals for maximum flow capabilities with the larger engine sizes found in todays trucks. Being a Super 40 design, this muffler will deliver a deep, aggressive sound outside and inside the vehicle. Fully welded with 409S Stainless Steel, these mufflers are covered by Flowmasters Lifetime Limited Warranty and are made in the USA.

SPECS

Super 40 Muffler 409S - 3.50 Offset In / 3.50 Offset Out - Aggressive Sound

Super 40 Muffler - 3.50 Offset In / 3.50 Offset Out - Aggressive Sound

Muffler - Super 40 Series - 3.5 in Offset Inlet - 3.5 in Offset Outlet - 13.5 x 10 x 5 in Oval Body - 19.5 in Long - Stainless - Black Paint - Each

2014–2015 Flowmaster Ram 3500 6.4L Super 40 Series Muffler

Flowmaster Chevrolet Silverado 2500 HD 6.6L Super 40 Series Muffler; Flowmaster Chevrolet Silverado 3500 6.6L Super 40 Series Muffler; Flowmaster Ford F-150 6.2L Super 40 Series Muffler; Flowmaster GMC Sierra 2500 HD 6.6L Super 40 Series Muffler; Flowmaster GMC Sierra 3500 6.6L Super 40 Series Muffler

Super 40 Muffler - 3.50 Offset In / 3.50 Offset Out - Aggressive Sound

Flowmaster Chevrolet Silverado 3500 6.6L Super 40 Series Muffler, Flowmaster Chevrolet Silverado 2500 HD 6.6L Super 40 Series Muffler, Flowmaster Chevrolet Silverado 2500 HD 6.0L Super 40 Series Muffler, Flowmaster Ram 2500 6.4L Super 40 Series Muffler, Flowmaster Ram 3500 6.4L Super 40 Series Muffler, Flowmaster Ford F-150 6.2L Super 40 Series Muffler, Flowmaster Ford F-250 Super Duty 6.2L Super 40 Series Muffler, Flowmaster Ford F-350 Super Duty 6.2L Super 40 Series Muffler, Flowmaster GMC Sierra 2500 HD 6.6L Super 40 Series Muffler, Flowmaster GMC Sierra 2500 HD 6.0L Super 40 Series Muffler, Flowmaster GMC Sierra 3500 HD 6.0L Super 40 Series Muffler, Flowmaster GMC Sierra 3500 6.6L Super 40 Series Muffler

SPECS

  • Engine Liter: 6.4
  • CC: 6424
  • CID: 392
  • Quantity: 1

Super 40 Muffler 409S - 3.50 Offset In / 3.50 Offset Out - Aggressive Sound

Vehicle Fitment

Please verify year, make, model, and any notes before ordering.

Product Specs

Brand
Flowmaster
Part Number
853548
Catalog Number
001077923
Product Line
Super 40 Series
Category
Exhaust
Type
Muffler
UPC / Barcode
700042032297
Length
21.00 in
Width
10.50 in
Height
6.00 in
Weight
13.03 lb
Freight / LTL
175.00
Ship Alone
No
Air Restricted
No
Hazmat
No
Chemical
No
Prop 65
B
Non-Returnable
No
Case Quantity
1
Kit
No

Shipping & Availability

Current status 39 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 39 available as of 6/3/2026.

Reviews & Questions

Real product feedback when available, plus quick ways to get fitment or product help.

Ask a Question
Need fitment help? Send us your year, make, model, engine, and the part number.
Already bought it? Reviews help other LMPerformance customers choose the right part.
Product question? We can help with specs, shipping, availability, and install details.

Other Popular Parts

$193.95
^