Specialty Muffler

Developed for truck applications and other applications that require a long body muffler. This muffler provides the classic S-Type sound. Notched necks are designed for clamp in installation using 1" wide band clamps. Alternate muffler with Un-Notched necks is 401624. If clamping, use 3" wide band clamps. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel for superior corrosion resistance. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation. Best of all, it's made in the USA and backed by BORLA(r)'s Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

Additional Information

Specialty Muffler - Heavy Duty (Truck) - 3.5" Center Inlet/ 3.5" Center Outlet 6.75" Round x 24" Long Body 29.35" Overall Length/ Universal Part. Reversible Design. Notched Necks.

Part Type

Exhaust Muffler

Product Overview

Specialty Heavy Duty (Truck) Muffler - 3.5" Center Inlet/ 3.5" Center Outlet 6.75" Round x 24" Long Body 29.35" Overall LDeveloped for truck applications and other applications that require a long body muffler. Notched necks are designed for clamp in installation using 1" wide band clamps. Alternate muffler with Un-Notched necks is 401624. If clamping, use 3" wide band clamps. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation. Best of all, it's made in the USA and backed by BORLA(r)'s Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• Alternate muffler with Un-Notched necks is 401624.
• Alternate muffler with Un-Notched necks is 401624. If clamping, use 3" wide band clamps.
• Long body design works well on SUV and truck applications
• Universal muffler. Reversible design.

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Product Details

Reference Information

Muffler, Specialty, Round, Stainless Steel, 3.5 in. Center Inlet, 3.5 in. Center Outlets, 24 in. Case Length, Each

Borla offers a selection of bolt-on clamp and weld-on Specialty mufflers, all designed to make your vehicle perform and sound better. These Specialty mufflers are available in hard-to-find applications, including round S-Type, Transverse Flow, and round heavy-duty styles. Unlike almost all competitors, Borla mufflers are made from very high-quality T-304 stainless steel, so they're great for vehicles in humid, rainy, and snowy regions due to very high corrosion resistance properties. Regardless of style, each Specialty muffler has smooth mandrel bends, strong and smooth welds, and precise construction to ensure a perfect fit.