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Stainless Works 2020-21 Silverado HD 6.6L 1-7/8in Long Tube Header Kit Factory Connect

SKU: SSWCT220HSTCATY

Headers

SSW Long Tube Headers...

Stainless Works 2020-21 Silverado HD 6.6L 1-7/8in Long Tube Header Kit Factory Connect

SKU: SSWCT220HSTCATY

Headers

SSW Long Tube Headers...

A$4,562.01
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Stainless Works 2020-21 Silverado HD 6.6L 1-7/8in Long Tube Header Kit Factory Connect

Upgrade to Long Tube headers on your 2020-21 Chevy Silverado or GMC Sierra HD with this system from Stainless Works. Unleash that 6.6L motor with 1-7/8" primaries that flow into a 3" collector with an integrated merge spike. This system comes with high flow cats and a Y-pipe for a simple bolt-on install.

Additional Information

2020-21 Silverado HD 6.6L Long Tube Header Kit. Unleash that 6.6L motor with 1-7/8" primaries that flow into a 3" collector with an integrated merge spike. This system comes with high flow cats and a Y-pipe for a simple bolt-on install.

Part Type

Exhaust Header Pipe Kit


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:14:25

Data: v4.2 - Upd: 2026-11-08 14:26:19

Features

Note for Australian and European Markets

Unless otherwise stated, this product may be engineered for use in Left-Hand Drive vehicles. Steering components, pedals, shifters, linkages, wing mirrors, instrument clusters, panhard rods/traction bars, drag links, brake boosters, brake or clutch lines, accelerator cables, heater cores, some master cylinders and adjacent parts can vary between LHD and RHD configurations. In some models compenents such as windscreen wiper arms, motors and linkages could differ in their size and orientation. Items such as floor mats & dash mats may have differences in their structure around the front row (or padding in different locations). In many cases items are identical depending on the design of the vehicle and part, but may have differing mounts, lengths or bolt patterns. Carefully review the product images and details to ensure suitability for your vehicle, or contact StreetFX support if you are unsure. Returns are not accepted for special order products.

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Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Stainless Works
StreetFX SKU sswCT220HSTCATY
SFX Item ID 4082909
Accounting SKU ssw-CT220HSTCATY
Manufacturer SKU CT220HSTCATY
Manufacturer UPC 887753443120
Alternative References STW-CT220HSTCATY

Headers, Factory Connect, Long Tube, Catalytic Converter, Stainless Steel, Natural, 1 7/8 in. Primary, 3.00 in. Collector, Y-Pipe, Chevy, GMC, Pair

Stainless Works long tube headers are constructed from CNC mandrel-bent tubing with laser-cut flanges. These high-flow headers are made for your specific application, ensuring a perfect fit and excellent performance.

Product Attributes
BrandStainless Works
Manufacturer's Part NumberCT220HSTCATY
Part TypeHeaders
Product LineStainless Works Long Tube Headers
UPC887753443120
Header StyleLong tube one-piece
Header Material304 stainless steel
Primary Tube Outside Diameter (in.)1 7/8 in.
Header ColorNatural
Flange StyleStandard
Weld-UpNo
Cylinder Head Port ShapeOval
Collector AttachmentSlip fit
Collector Diameter (in.)3.00
Collector Reducers IncludedNo
TunedNo
Primary Tube Gauge16-gauge
Flange Thickness (in.)0.38 in.
Bolts/Studs IncludedYes
Gaskets IncludedNo
Crossover Pipe IncludedYes
Crossover Pipe StyleY-pipe
Crossover Pipe Diameter3.000 in.
Catalytic Converter(s) IncludedYes
Catalytic Converter Quantity2
Motor Mounts IncludedNo
Transmission Mount IncludedNo
QuantitySold as a kit.
NotesFor use with factory exhaust.

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