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Classic Exhaust Systems LLC

Xlerator Chevrolet / GMC Mufflers Dual Outlets Fit OEM Tailpip 1500, 2500,3500 HeavyDuty 6.0 & 8.1 Litre Gas Engines

Xlerator Chevrolet / GMC Mufflers Dual Outlets Fit OEM Tailpip 1500, 2500,3500 HeavyDuty 6.0 & 8.1 Litre Gas Engines

High-quality aftermarket Xlerator® All-Welded Performance Muffler – 1500 / 2500 / 3500 Series Dual Outlet is engineered for heavy-duty performance applications on 6.0L and 8.1L Chevrolet/GMC gas engines. Designed to deliver increased exhaust flow with an excellent performance sound, this muffler maintains compatibility with OEM-style tailpipe routing while improving overall performance. Built with all-welded construction and heavy-gauge 100% aluminized steel, it’s made to handle demanding workloads with long-term durability.

This single outlet performance option features an 8½" x 11¾" oval case, a 24½" shell length, and a 29" overall length, with 3" ID dual inlets and 3" dual outlets designed to fit the OEM tailpipe.

Specifications

-Material: Heavy-Gauge 100% Aluminized Steel

-Series: 1500 / 2500 / 3500 Performance Mufflers

-Application: Chevrolet / GMC 6.0L & 8.1L Gas Engines

-Configuration: Dual Inlet / Dual Outlet (Single Outlet Performance Option)

-Inlet Size: 3" ID Duals

-Outlet Size: 3" Duals

-Case Dimensions: 8½" x 11¾" Oval

-Shell Length: 24½"

-Overall Length: 29"

-Construction: All-Welded

-Sound Profile: Excellent Performance Sound with OE-Style Tuning

Built for heavy-duty trucks, work vehicles, and performance-focused OEM replacements, the Xlerator® All-Welded Performance Muffler delivers increased flow, strong performance sound, and rugged aluminized construction—engineered to perform under load while fitting like stock.

Regular price $167.99 USD
Regular price Sale price $167.99 USD
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Full-Kit Shipping
US Domestic$180
Canada · Outer US Islands · Alaska$275+
Mexico$475+
International$525+
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SHELL - OAL - INLET - OUTLET
Quantity

Kit Specifications

Don't see the spec you need? Call (440) 466-5460 or email sales@classicexhaust440.com — we'll confirm exact sizing for your car.

About This Kit — What to Expect

All of our exhaust systems are fabricated to Original Equipment Manufacturing (OEM) specifications, directly reflecting the standards used in the factories where your classic car was built.

 

Please note that our pipes may exhibit minor imperfections due to the fabrication process, and they are intended for standard local car show quality.

 

All of our tubing is conventionally bent using a compression bending method, similar to factory specifications. We do not utilize the mandrel bending process in our fabrication. We always recommend professional installation of your exhaust system as minor adjustments to the pipes may be necessary, to ensure proper fitment.

 

Our systems are designed for the general consumer and weekend enthusiasts. However, if your vehicle is a numbers-matching, High End show-quality car and or date-coded mufflers, we advise against purchasing this system, as it may not meet your specific requirements.

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