Stainless Works CNC Mandrel-Bent Exhaust Systems for 1963-1967 CHEVY II - NVLS3S

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Part Number: STW-NVLS3S

$1,895.99

Exhaust Systems, CNC Mandrel-Bent, Header-back, Stainless Steel, Natural, Split Side Exit, Chevrolet, 5.7L, Kit
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Stainless Works CNC Mandrel-Bent Exhaust Systems for 1963-1967 CHEVY II - NVLS3S

Stainless Works CNC Mandrel-Bent Exhaust Systems for 1963-1967 CHEVY II - NVLS3S

STW-NVLS3S

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Part Number: STW-NVLS3S

Estimated Ship Date: Nov 9, 2026

$1,895.99

Estimated Ship Date: Nov 9, 2026 Would you rather pick it up?

Overview

Brand:
Manufacturer's Part Number:
NVLS3S
Part Type:
Product Line:
Summit Racing Part Number:
STW-NVLS3S
Item Number:
3130749
UPC:
00887753435927
System Material:
304 stainless steel
System Style:
Header-back
Exhaust Type:
Dual in/Dual out
Exit Location:
Split side
System Finish:
Natural
Catalytic Converter(s) Included:
No
Intermediate Pipe Diameter (in.):
3.00 in.
Muffler Included:
Yes
Muffler Quantity:
Two
Muffler Configuration:
Single inlet/Single outlet
Muffler Style:
Turbo
Muffler Material:
304 stainless steel
Muffler Color:
Natural
Hardware Included:
Yes
Tailpipe Diameter (in.):
3.00 in.
Tip Included:
No
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
Designed to bolt up to Stainless Work's headers behind a Chevrolet LS1 engine. Exits behind rear tire between quarter panel and leaf springs.
Special Attention:
It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.

Stainless Works CNC Mandrel-Bent Exhaust Systems

Stainless Works CNC mandrel-bent exhaust systems are the simply the best for improving your vehicle's performance, sound, and mileage. Made of high-grade 304 stainless steel, they offer an array of options to unleash more torque and horsepower while delivering the sound your vehicle has been lacking. Most are designed to use factory hangers.

Stainless Works not only offers their Factory Connect option that mates to a factory connection point, but also Performance Connect options for many models. Performance Connect gains more performance than factory connection points allow, and they require the installation of Stainless Works headers (sold separately) to gain the full performance benefit.

Stainless Works also builds their mufflers entirely of stainless steel. They will never "burn in," "blow out," or change their tone—ever. Choose from a selection of universal or application-specific muffler designs, including turbo chambered (loud), chambered round (louder—can be reversed for an even more aggressive sound), and turbo S-tube (loudest—may be too aggressive for a daily driver).

Additional features of Stainless Works CNC mandrel-bent exhaust systems include:

* 304 stainless will never red-rust like cheaper 409 stainless
* TIG-welded for strength
* Durable 3/8 in. thick flanges
* Mandrel-bent (no buckling) for optimal flow
* Variety of tip options (varies by application)
* Truck exhausts available with three exit locations: behind the passenger tire; under the rear bumper (one on each side); and in front of the passenger tire
* Install-Ready; all systems come with all necessary parts to make installation as smooth as possible

Applications

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