FortisArc LM4225109 2.25-Inch Center/Center Single-Chamber Muffler

The FortisArc LM4225109 is a center/center single-chamber muffler listed with 2.25-inch inlet and outlet connections and a 13-inch overall length. Its aluminized-iron material and weld-or-clamp installation options are listing claims, so confirm the fit and mounting approach for your exhaust setup before buying.

At a glance

The title specifies a 2.25-inch center/center inlet and outlet and 13-inch total length.
The listing describes a single-chamber design with internal baffles and an aggressive, deep tone.
Welding or clamp-on mounting is stated as an option. The listing says the inlet is marked.
The manufacturer describes the material as aluminized steel in feature text, while product details say aluminized iron.

Price

$26.99Save 10%

Reference price: ~~$29.99~~

Price checked: Nov 12, 2026

View offer

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Pros and cons

Pros

Equal 2.25-inch inlet and outlet sizes make the listed connection dimensions easy to compare with an existing exhaust pipe.
The stated welded or clamp-on mounting offers two installation approaches, depending on the exhaust setup.
Customer feedback mentions sound and appearance positively.

Technical specifications

11 specifications

Identity
Brand	FortisArc
Model	LM4225109

Dimensions and installation
Dimensions listed	13 x 9 x 4 inches
Weight listed	2.5 kg
Inlet connection size	2.25 inches
Inlet and outlet layout	Center/Center
Installation options stated	Welded/Clamp-On
Vehicle service type	Car, Truck
Fit type	Universal Fit

Materials and construction
Material listed	Aluminized Iron
Chamber design	Single chamber

What to know before buying

Listing details to confirm

The listing gives dimensions as 13 x 9 x 4 inches, while feature text separately describes a 13-inch total length, 7-inch body, 9-inch width and 4-inch height. It also conflicts on material, describing aluminized steel in features and aluminized iron in details. The claimed fit for most full-size vehicles without modification and corrosion resistance are unconfirmed, so verify dimensions, material, vehicle fit and required mounting parts for your application.

What’s in the box

Included

not

Who is it for?

A good fit for

Drivers seeking a single-chamber muffler with a listing-described aggressive, deep sound.
Buyers whose exhaust uses 2.25-inch center-in and center-out connections and can accommodate the listed dimensions.
Installers choosing between welding and clamp-on mounting, subject to fit and hardware needs.

Less suited to

Buyers who need a confirmed vehicle-specific fit or verified dimensions before purchase.
Exhaust setups that do not match the listed 2.25-inch center/center connection sizes.

FortisArc LM4225109 2.25-Inch Center/Center Single-Chamber Muffler · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 46 ratings

5 stars77%77%
4 stars13%13%
3 stars2%2%
2 stars0%0%
1 star8%8%

Customer feedback highlights sound quality and appearance, with customers also describing it as worth the money. For buyers seeking the listed single-chamber, deep-tone design, those impressions may be relevant, but they do not confirm sound on a particular vehicle or establish fit. The rating distribution is mostly five- and four-star, with a smaller one-star share, so experiences are not uniformly positive.

Positive themes

Customer feedback describes the sound positively.
Appearance receives positive feedback.
Customers describe the muffler as worth the money.

Frequently asked questions

What are the listed inlet and outlet sizes?

Both inlet and outlet connections are listed as 2.25 inches in a center/center layout.

How can this muffler be installed?

The listing states welded or clamp-on installation. It does not confirm that a clamp or other installation hardware is included.

What material is the muffler made from?

Product details list aluminized iron, while feature text calls it aluminized steel. The discrepancy is unresolved, so confirm the material with the selected listing.

Will it fit my vehicle?

The listing calls it a universal fit for cars and trucks, but that does not establish fit on a particular vehicle. Compare the connection sizes and available space with your exhaust setup.