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Stainless Works 4.5" Serrated Pie Cuts 1D 10-Piece Kit PS4500-9-1D-KIT - PS4500-9-1D-KIT

If you're into fabricating exhaust systems and want to get it right the first time, check out our Serrated 304 Stainless Steel Pie Cuts. These bad boys are made right here in the USA and are all about making your life easier when it comes to building high-performance setups. Whether you’re working on downpipes, headers, or any exhaust system, these pie cuts are a solid choice.

We've got a range of sizes to fit your needs—1.5", 1.625", 1.75", 1.875", 2", 2.125", 2.25", 2.5", 3", 3.5", 4", 4.5", and even up to 5". All of them come with a .065" wall thickness and feature a 1D bend radius. What’s that mean for you? It means you can make tight bends without sacrificing strength or flow, perfect for those tricky spots under the hood.

Each pie cut has interlocking serrations every 10 degrees. This design makes aligning your pieces a breeze—just interlock, rotate, and weld. No more fiddling around with adjustments or second-guessing your angles. Whether you’re crafting simple bends or tackling more complex designs, you'll get that clean, professional look every time.

Features You’ll Appreciate:

  • 10-Piece Kit: Create a smooth 90° bend with just 9 weld joints.
  • Made in the USA: Quality you can trust.
  • 304 Stainless Steel: Durable and resistant to corrosion.
  • Interlocking Serrated Design: Fast and accurate alignment.
  • 1D Bend Radius: Perfect for compact routing in tight spaces.
  • Multiple Sizes: Choose the right diameter for your project.

So if you’re looking to build something that not only performs but looks great too, grab a kit of our Serrated Pie Cuts. They’re designed for folks who know what they’re doing and want to get it right without the hassle.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Stainless Works Logo

What is Stainless Works?

Stainless Works is an industry leader in stainless steel performance headers and exhaust systems. It offers long-lasting, rust-free performance with good looks to boot. The company designs and manufactures all aftermarket parts on-site right here in the USA. Stainless Works is also a custom job shop that specializes in engineered fabrications – a division it has named MetalFab Group. Its durable, American-made systems and individual components are created to maximize your vehicle’s performance, sound, and fuel efficiency. Stainless Works is constantly adding new products to its lineup for a variety of different cars and trucks, including the classics. Each Stainless Works performance system boasts proven power gains through pre- and post-dyno testing. Its selection of power goodies also includes mufflers, universal stainless pipes, exhaust tips, catalytic converters, and complete exhaust kits.

What Makes Stainless Works Special?

Stainless Works’ products have a reputation for their premier quality. The brand has engineered its products to withstand severe engine conditions so they do not rust like the cheaper 400 series stainless steel used by its competitors.

Stainless Works exhausts and headers are crafted from high-grade TIG-welded 304 stainless steel, which resists corrosion and is much stronger than those cheaper counterparts. Its products are manufactured with exacting specifications by skilled American craftsmen and new technologies, including CNC Trumpf Lasers, CNC Press Brakes, and a CNC Robotic Cell. Furthermore, the company’s in-house processes are available for any custom application you require, including special laser cutting and bending. Stainless Works stands by the quality and workmanship of its products and always strives to improve the experience of the products it offers consumers.

While Stainless Works is primarily known for its complete header and exhaust systems, it also produces a variety of stainless-steel components, like Rod and Header Builder Kits, mandrel bends, tubing, mufflers, exhaust tips, standard header components, and more. The company is also available to develop solutions that will help you customize a system to satisfy your needs using special bends, flanges, adaptors, etc.

Upgrade to Stainless Works at Vivid Racing

Vivid Racing carries a wide selection of performance parts from Stainless Works like catbacks, catless downpipes, exhaust tips, mid-pipes, headers, straight pipes, mufflers, Y-pipes, and complete systems. If you have any questions regarding the products listed above or need help locating an item, please call our specialized sales team at (480) 966-3040.

Stainless Works Store | Stainless Works Catback Exhausts | Stainless Works Headers
STAINLESS WORKS' LIMITED LIFETIME WARRANTY

Limited lifetime warranty on 304 Stainless Steel products, except two years on Stainless Power products and catalytic converters. (Product must be returned for inspection.) Stainless Works is not responsible for coatings, labor, or shipping on defective or warranty items.

Contact Stainless Works for details. The Stainless Works Limited Lifetime Warranty is provided for automotive header and exhaust products made from 304 Stainless Steel which are designed and developed by the Stainless Works Engineering Group and manufactured by Stainless Works. The warranty covers material corrosion rust through and workmanship under normal usage by our customers. This warranty is extended to the original purchaser of the product sold directly through Stainless Works or an approved dealer.

Exclusions to this warranty include:
  • Products designed by others including product where any material type, thickness, product shape, brackets, hangers, etc. are defined by anyone other than Stainless Works.
  • Racing applications of any kind
  • Damage resulting from abuse including backfire, excessive heat or unusual corrosive conditions
  • Product made from Aluminized Steel, Mild Steel, etc.(not Stainless Steel)
Warranty Claims shall be made by first contacting the Stainless Works Sales office and obtaining a Return Goods Authorization (RGA) number, before returning any item. You must provide a copy of the invoice or other proof of purchase that you purchased the product from Stainless Works or one of our approved dealers.

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