Sale

Exhaust Mufflers and Resonators

Flowmaster

50 Series Delta Flow Chambered Muffler 50 Delta Flow 2.25 Offset In 2.25 Center Out Moderate Sound Flowmaster

$195.95 $173.95 Save $22.00

SKU: F00L 942451

In Stock
In Stock
Ships by Sep 15
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Flowmaster 942451 is a three-chambered, oval exhaust muffler designed for a moderate exterior tone and minimal interior resonance. It is constructed from durable aluminized steel and features Flowmaster's patented Delta Flow technology for enhanced performance.

This muffler offers improved horsepower and torque potential, with possible mileage improvements. It is an excellent choice for street rods, cars, and trucks seeking a balance between power and comfort. The muffler has an offset inlet and a center outlet, both with 2-1/4 inch diameters.
Show original supplier description

Part #: 942451

The three chamber design utilizes Flowmaster's Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance.Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.Moderate SoundMild interior resonanceExcellent choice for Street Rod cars and trucksImproved Horsepower, Torque and Engine Efficiency

Features:

  • Durable Fully Welded 16ga Aluminized Steel
  • Moderate Sound
  • 3 Year Limited Warranty
  • Mild interior resonance
  • Mild to Moderate Exterior Exhaust Tone
  • Excellent choice for Street Rod cars and trucks
  • Minimal Interior Resonance
  • Improved Horsepower, Torque and Engine Efficiency
  • Excellent Choice For Street Rods Cars and Trucks
  • Improved HP/TQ and Potential Mileage Improvement
  • Race Proven Patented Delta Flow (R) Technology
  • Premium Flowmaster Quality

50 Series (TM) Delta Flow Muffler | 2.25 in. Offset Inlet/Center Outlet | Case Dimensions 4 in. x 9.75 in. x 17 in. | 23 in. Overall Length | Aluminized Steel

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFlowmaster
Part NumberF00L 942451

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy