Borla 60713 3.5" Exhaust Extension Pipe for 2020-2025 Chevy/GMC 2500/3500

Vehicle Fitment

• 2020-2025 Chevrolet Silverado 2500/3500 (6.6L V8, Gas Engine, Auto, 2WD/4WD, 4-Door Crew Cab w/ Long Bed 8'2" 172" WB)
• 2020-2025 GMC Sierra 2500/3500 (6.6L V8, Gas Engine, Auto, 2WD/4WD, 4-Door Crew Cab w/ Long Bed 8'2" 172" WB)
• Fitment excludes diesel engines and vehicles with dual rear wheels (DRW).

Features

• Premium T-304 stainless steel for corrosion resistance and long life
• 3.5" diameter inlet and outlet for smooth exhaust flow
• Extends/Adapts Borla Cat-Back systems for long-bed 172" wheelbase trucks
• Included 3.5" clamp for secure installation
• Precision CNC manufacturing ensures accurate OEM-style fit
• Backed by Borla's Million-Mile Warranty
• Perfect for trucks originally equipped with 158.9" wheelbase Borla systems
• No cutting or welding required when installed with compatible Borla systems

Specifications

• Part Number: 60713
• Material: T-304 Stainless Steel
• Inlet Diameter: 3.5"
• Outlet Diameter: 3.5"
• Length: ~17.5"
• Configuration: Straight extension/connecting pipe
• Position: Between existing Cat-Back system mid-section and rear exhaust
• Compatibility: Only with Borla Cat-Back systems designed for 158.9" wheelbase trucks

Included Components

• 1x Exhaust extension/connecting pipe (Borla 60713)
• 1x 3.5" exhaust clamp

Product Description

The Borla 60713 Exhaust Extension Pipe is engineered for 2020-2025 Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 trucks equipped with the 6.6L gasoline V8 engine. It *extends or adapts* Borla Cat-Back exhaust systems originally specified for a 158.9" wheelbase to fit Crew Cab models with a *long 8'2" bed and 172" wheelbase*. It is not compatible with diesel engines or trucks equipped with dual rear wheels (DRW).

Constructed from premium T-304 stainless steel with a straight-through design and precision CNC bends, the 60713 helps maintain smooth exhaust flow and preserves Borla's performance gains when adapting systems to longer trucks. Installation is straightforward when paired with a compatible Borla Cat-Back system, requiring just the included clamp for secure connection. Backed by Borla's Million-Mile Warranty, this extension pipe provides a reliable solution for customizing heavy-duty truck exhaust layouts without cutting or modifying existing components.