Fabricate your custom exhaust, intake, or coolant lines with precision using Stainless Bros 304 stainless steel tubing. This 48-inch straight section features a 2.25-inch outside diameter and a 16-gauge wall thickness, providing an ideal balance of durability and weight for automotive applications.

Constructed from high-grade 304SS, this tubing offers excellent corrosion resistance and structural integrity under high-heat conditions. The raw finish is ready for TIG or MIG welding, making it a staple for professional fabricators building downpipes, cat-back systems, or custom plumbing solutions.

• Material: 304 Stainless Steel
• Outside Diameter: 2.25 inches
• Wall Thickness: 16 Gauge (0.065")
• Total Length: 48 inches
• Ideal for: Custom exhaust, intake piping, and coolant systems
• Manufacturer Part Number: 602-05746-0000

This Stainless Bros straight tubing is a premium choice for high-performance automotive fabrication, providing a durable foundation for custom exhaust systems, intake runners, and cooling lines. Crafted from 304 stainless steel, it offers the corrosion resistance and thermal stability required for demanding engine bay and underbody environments.

• Material: 304 Stainless Steel (304SS)
• Outer Diameter: 2.0 inches
• Length: 48 inches
• Wall Thickness: 16 Gauge (approx. 0.065")
• Manufacturer Part Number: 602-05046-0000

The 16-gauge wall thickness provides an ideal balance of weight and structural integrity, standing up to the rigors of vibration and heat cycling. At 48 inches in length, this tube provides ample material for long chassis runs or can be sectioned for intricate, tight-radius custom builds.

This premium 1.75-inch outer diameter tubing from Stainless Bros is engineered for high-performance automotive fabrication. Manufactured from high-grade 304 stainless steel, it provides exceptional corrosion resistance and durability, making it the ideal choice for custom exhaust systems, intake piping, and coolant lines.

The 16-gauge (0.065") wall thickness offers a perfect balance between weight and structural integrity, ensuring reliable performance under heat and vibration. This 48-inch straight section provides ample material for fabricators to cut and weld according to specific project requirements.

• Manufacturer Part Number: 602-04546-0000
• Material: 304 Stainless Steel
• Outer Diameter: 1.75 in
• Length: 48 in
• Wall Thickness: 16 Gauge (0.065 in)
• Construction: Raw straight tubing for custom welding and fabrication

This Stainless Bros straight tubing is a high-grade fabrication component engineered for custom automotive applications. Constructed from 304 stainless steel, it provides excellent corrosion resistance and durability for intake piping, coolant hard lines, and small-diameter exhaust components. The 16-gauge wall thickness (approximately 0.065 inches) ensures a stable structure that is easy to TIG weld and finish.

• Material: 304 Stainless Steel (304SS)
• Outer Diameter: 1.50 in
• Wall Thickness: 16 Gauge (0.065 in)
• Length: 48 in
• Construction: Straight tubing for custom fabrication
• Manufacturer Part Number: 602-03846-0000

Whether you are plumbing a forced induction system or fabricating a custom chassis part, this 48-inch section of 304SS tubing offers the consistency and material quality required for professional-level results. The mill finish provides a clean surface for further polishing or ceramic coating as needed.

This Stainless Bros 5-inch diameter 90-degree mandrel bend is engineered for high-performance fabrication where space is at a premium and maximum flow is required. Utilizing a tight 1D centerline radius, this component allows for compact routing in custom exhaust systems, intake piping, and industrial applications without the cross-sectional collapse or restrictive turbulence found in crush-bent tubing.

The mandrel bending process ensures a consistent diameter throughout the entire sweep, maintaining exhaust gas velocity and reducing backpressure. Each piece features two-inch straight tangent legs to provide ample surface area for secure welding or clamping during installation.

• Outer Diameter: 5.0"
• Bend Angle: 90 Degrees
• Centerline Radius (CLR): 1D (5.0")
• Leg Lengths: 2.0" / 2.0"
• Construction: Mandrel Bent
• Material: Stainless Steel
• Manufacturer Part Number: 601-12756-4100

This Stainless Bros 4-inch 90-degree mandrel bend is engineered for high-performance fabrication. By utilizing a mandrel bending process, the tubing maintains its full internal diameter throughout the entire radius, preventing the turbulence and flow restrictions associated with traditional crush bends.

Constructed from high-grade stainless steel, this bend is ideal for custom exhaust systems, turbo manifolds, and intake plumbing where tight tolerances and maximum flow are critical. The 1.5D (6-inch) Center Line Radius provides a smooth, consistent path for exhaust gases or intake air.

• Outer Diameter: 4.00in (101.6mm)
• Bend Angle: 90 Degrees
• Center Line Radius (CLR): 6in (1.5D)
• Material: Stainless Steel
• Manufacturer Part Number: 601-10256-4150

This Stainless Bros 90-degree mandrel bend is designed for high-performance fabrication where flow efficiency and structural integrity are paramount. By utilizing a mandrel bending process, the tube maintains its full 4-inch diameter throughout the entire sweep, eliminating the internal restrictions and wall thinning common in traditional crush bends.

Featuring a 1D (4-inch) centerline radius, this component allows for tight routing in space-constrained environments such as custom exhaust systems, turbo manifold downpipes, or large-diameter intake plumbing. The precision-bent leg ensures a clean surface for welding and seamless integration into your custom project.

• Tubing Diameter: 4 inches
• Bend Angle: 90 Degrees
• Centerline Radius (CLR): 4 inches (1D)
• Bending Method: Mandrel Bent
• Manufacturer Part Number: 601-10256-4100

This Stainless Bros 90-degree elbow is engineered for precision automotive fabrication, providing a tight 1D radius for applications where space is at a premium. Constructed from 304 stainless steel (SS304), it offers excellent corrosion resistance and durability for exhaust systems, intake piping, and custom forced induction setups.

The 16-gauge (0.065") wall thickness is the industry standard for custom exhaust work, providing the ideal balance of weight and weldability for TIG welding. The "No Leg" design allows for a compact profile, enabling fabricators to place bends in immediate succession or tight against other chassis components without unnecessary straight sections.

• Material: 304 Stainless Steel (SS304)
• Outside Diameter (OD): 4.00 inches
• Bend Angle: 90 Degrees
• Center Line Radius (CLR): 4.00 inches (1D)
• Wall Thickness: 16-Gauge / 0.065 inches
• Finish: Raw / Mill
• Manufacturer Part Number: 601-10256-3100

This Stainless Bros 45-degree mandrel bend is engineered for high-performance exhaust and intake fabrication where space is at a premium. Featuring a 4-inch diameter and a tight 1D center line radius (CLR), this bend maintains a consistent internal diameter throughout the arc to ensure optimal flow and minimal backpressure. The leg mandrel design provides straight sections on either side of the bend, offering extra material for precise trimming and welding.

• Diameter: 4.0 in.
• Bend Angle: 45 Degrees
• Center Line Radius (CLR): 4.0 in. (1D)
• Bend Type: Mandrel bent for consistent wall thickness and flow
• Application: Ideal for custom exhaust, intake, and intercooler piping
• Manufacturer Part Number: 601-10226-4100

This Stainless Bros 4-inch 45-degree elbow is precision-engineered for high-performance fabrication where space and flow efficiency are critical. Constructed from premium 304 stainless steel (SS304), this mandrel-bent component maintains its diameter throughout the bend to prevent turbulence and exhaust restriction. The tight 1D center line radius (4-inch CLR) is specifically designed for compact packaging in chassis tunnels or engine bays.

The "No Leg" design provides a clean, tangent-less bend, allowing fabricators to weld directly into tight configurations for custom exhaust systems, intake piping, or turbo manifolds. Each piece is manufactured to tight tolerances to ensure consistent wall thickness and easy fitment with standard 4-inch OD tubing.

• Material: 304 Stainless Steel (SS304)
• Outside Diameter: 4 inches
• Bend Angle: 45 Degrees
• Center Line Radius (CLR): 4 inches (1D)
• Style: No Leg / Tangent-less
• Manufacturer Part Number: 601-10226-3100

This Stainless Bros 90-degree mandrel bend is a precision fabrication component engineered for high-performance exhaust systems, intake tracks, and custom plumbing. Featuring a 3.5-inch outside diameter and a tight 1D (3.5-inch) Center Line Radius (CLR), this bend provides essential clearance for complex routing in confined engine bays or chassis tunnels while maintaining consistent wall thickness and optimal flow.

The integrated leg (tangent) provides additional straight material to simplify alignment and TIG welding to existing tubing. This component is designed for professional fabricators who require exact tolerances and repeatable quality for custom automotive builds.

• Manufacturer Part Number: 601-08956-4100
• Tube Outside Diameter: 3.5 inches
• Bend Angle: 90 Degrees
• Center Line Radius (CLR): 3.5 inches (1D)
• Configuration: Mandrel bend with integrated leg

This Stainless Bros 3.5-inch diameter 90-degree mandrel bend is engineered for high-performance exhaust, intake, and cooling system fabrication where space is at a premium. Featuring a 1.5D (3.5-inch) Center Line Radius (CLR), this bend provides optimal flow characteristics while maintaining a compact footprint.

The "No Leg" design signifies that this elbow is trimmed close to the tangent points, offering a tight, clean bend without the added length of straight tubing extensions. This makes it an ideal choice for fabricators building custom headers, downpipes, or intercooler piping in cramped engine bays where every millimeter counts. Constructed from high-quality stainless steel, it ensures excellent corrosion resistance and weldability.

• Diameter: 3.5 inches
• Bend Angle: 90 Degrees
• Radius: 1.5D / 3.5-inch CLR
• Style: No Leg (Zero Tangent)
• Material: Stainless Steel
• Manufacturer Part Number: 601-08956-3150

This Stainless Bros mandrel bend is engineered for fabricators demanding precision in custom exhaust, intake, and intercooler piping. The 45-degree bend is achieved through a mandrel-bending process that maintains a consistent internal diameter, eliminating the flow restrictions found in traditional crush-bent tubing.

Constructed with a 16GA (0.065") wall thickness, this component offers the ideal balance of weight and structural integrity for high-performance automotive applications. The integrated straight legs on each side of the bend provide extra material for easier alignment, trimming, and welding into your custom assembly.

• Brand: Stainless Bros
• Part Number: 601-08926-4150
• Outer Diameter: 3.5 in
• Bend Angle: 45 Degrees
• Bend Radius: 1.5D / 5.25 in CLR (Center Line Radius)
• Wall Thickness: 16 Gauge (0.065 in)
• Construction: Mandrel bent with straight legs

This Stainless Bros 3.5-inch 45-degree elbow is a premium component for professional fabricators building high-performance exhaust, intake, or cooling systems. Manufactured from 304 stainless steel, it provides excellent corrosion resistance and weldability. This specific model features a 1.5D centerline radius and a "no leg" design, allowing for maximum flexibility in tight engine bays or chassis tunnels where space is at a premium.

• Manufacturer Part Number: 601-08926-3150
• Material: 304 Stainless Steel (SS304)
• Outer Diameter: 3.5 inches
• Bend Angle: 45 Degrees
• Centerline Radius (CLR): 1.5D (5.25")
• Wall Thickness: 16GA / .065"
• Construction: Mandrel-bent to maintain consistent inner diameter and wall thickness

Ideal for TIG welding, this elbow ensures a clean, professional finish for custom automotive projects. The 16-gauge wall thickness provides the necessary strength for high-heat environments while maintaining a lightweight profile.

This Stainless Bros 3-inch 180-degree mandrel bend is an essential component for custom fabrication of high-performance exhaust systems, intake piping, and cooling paths. The mandrel bending process ensures the tube maintains its consistent 3-inch diameter throughout the entire radius, preventing the flow restrictions common in standard crush bends.

Constructed for durability and precision, this U-bend features a tight 1.5D radius, resulting in a 4.5-inch Center Line Radius (CLR) that is ideal for compact routing in tight engine bays. Each end features a 6-inch straight leg, providing fabricators with plenty of material for precise trimming and welding.

• Diameter: 3.00 in
• Bend Angle: 180 Degrees
• Center Line Radius (CLR): 4.50 in (1.5D)
• Leg Length: 6.00 in / 6.00 in
• Construction: Mandrel Bent
• Manufacturer Part Number: 601-07696-1150

The Stainless Bros 3-inch 1D radius mandrel bend is a precision-engineered component designed for high-performance fabrication where space is at a premium. Featuring a tight 1:1 diameter-to-radius ratio, this bend allows for maximum flow in extremely confined areas such as engine bays or chassis tunnels. The mandrel-bending process ensures a consistent internal diameter throughout the entire curve, preventing the flow restrictions and turbulence common with standard crush bends.

• Outer Diameter: 3.00in
• Wall Thickness: 16GA (.065in)
• Bend Radius: 1D (3.00in)
• Style: No Leg (Tangent-free design)
• MPN: 601-07676-3100

Constructed for professional-grade welding and fabrication, these bends are ideal for building custom exhaust manifolds, downpipes, and intake systems. The "no leg" configuration allows fabricators to achieve tight, consecutive bends without the need for extensive trimming of straight tangents.

This Stainless Bros 3-inch 90-degree mandrel bend leg is engineered for precision fabrication in high-performance exhaust, intake, and cooling systems. By utilizing a mandrel bending process, the tubing maintains its full cross-sectional area throughout the curve, eliminating the flow-robbing restrictions and turbulence found in traditional crush-bent piping.

• Diameter: 3.0in (76.2mm)
• Bend Angle: 90 Degrees
• Center Line Radius (CLR): 4.5in
• Radius Ratio: 1.5D
• Construction: Mandrel bent for consistent wall thickness and flow
• Manufacturer Part Number: 601-07656-4150

Whether you are building a custom downpipe, a high-flow cat-back system, or intercooler piping, this bend provides the structural integrity and professional finish required for motorsport and enthusiast applications.

This Stainless Bros 90-degree mandrel bend is engineered for high-performance exhaust, intake, and cooling system fabrication where space is at a premium. By utilizing a 3-inch diameter and an ultra-tight 1D (3-inch) center line radius (CLR), this component allows for compact routing without the cross-sectional collapse or flow restriction common in standard pipe bending.

• Diameter: 3.0 inches
• Bend Angle: 90 Degrees
• Center Line Radius (CLR): 3.0 inches (1D)
• Construction: Precision mandrel bent for consistent wall thickness and diameter
• Manufacturer Part Number: 601-07656-4100

Ideal for custom fabricators, this bend provides the structural integrity and flow characteristics required for turbocharged applications, tight-clearance exhaust downpipes, and custom intercooler piping.

Fabricate your custom exhaust or intake system with precision using this Stainless Bros 3-inch diameter 90-degree mandrel bend. Engineered for high-performance applications, this component is manufactured using a mandrel bending process that maintains a consistent internal diameter throughout the entire curve, ensuring maximum flow and minimal backpressure.

This specific bend features a 1.5D radius, resulting in a 4.5-inch Center Line Radius (CLR). The "No Leg" design provides a tight, compact profile that is ideal for manifold construction or exhaust routing in confined engine bays where space is at a premium. Built from high-quality stainless steel, it offers excellent corrosion resistance and durability under high-heat conditions.

• Manufacturer Part Number: 601-07656-3150
• Tubing Diameter: 3 inches
• Bend Angle: 90 Degrees
• Center Line Radius (CLR): 4.5 inches (1.5D)
• Leg Style: No Leg / Zero Leg
• Construction: Mandrel Bent

This 90-degree mandrel bend from Stainless Bros provides a high-flow solution for custom exhaust systems, turbo manifolds, and intake piping. Engineered to maintain a consistent 3-inch diameter through the entire radius, this bend eliminates the restrictive bottlenecks found in crush-bent tubing, ensuring maximum exhaust gas velocity and engine efficiency.

Constructed for professional-grade fabrication, this piece features unequal leg lengths—5 inches and 8 inches—to offer greater versatility during fitment, trimming, and welding. The 1.5D (4.5-inch) centerline radius (CLR) is ideal for automotive applications where tight-clearance packaging must be balanced with optimal airflow.

• Brand: Stainless Bros
• Diameter: 3.0 in.
• Bend Angle: 90 Degrees
• Center Line Radius (CLR): 1.5D (4.5 in.)
• Leg Lengths: 5 in. and 8 in.
• Construction: Mandrel Bent
• Manufacturer Part Number: 601-07656-1150

The Stainless Bros 3-inch 45-degree mandrel bend is a precision-engineered component designed for high-performance custom fabrication. Featuring a tight 1D radius (3-inch centerline radius), this bend allows fabricators to route exhaust, intake, or cooling systems through extremely confined spaces without compromising flow velocity.

Each unit is mandrel-bent to maintain a constant internal diameter throughout the curve, eliminating the restrictive cross-section reduction found in traditional crush-bent tubing. Constructed from high-grade stainless steel for superior corrosion resistance and weldability, it is an essential part for professional-grade custom headers, downpipes, and cat-back systems.

• Outer Diameter: 3 in (76.2mm)
• Bend Angle: 45 Degrees
• Centerline Radius: 1D (3 in)
• Construction: Precision Mandrel Bent
• Material: Stainless Steel
• Manufacturer Part Number: 601-07626-4100

The Stainless Bros 3-inch 45-degree mandrel bend is a precision-engineered component designed for high-performance fabrication. Featuring a 1.5D (4.5-inch) center line radius (CLR), this "no leg" bend allows for tight packaging in custom exhaust systems, turbo manifolds, and intake plumbing without the flow restrictions common in non-mandrel tubing.

Mandrel bending ensures a consistent internal diameter throughout the entire sweep, maintaining optimal exhaust scavenging and air velocity. This 45-degree section is ideal for fabricators requiring exact angles for complex routing where engine bay or chassis space is at a premium. As a "no leg" bend, it provides a clean curve for direct welding in tight radius applications.

• Diameter: 3.0 inches
• Bend Angle: 45 Degrees
• Center Line Radius (CLR): 4.5 inches (1.5D)
• Bend Type: Mandrel Bend (No Leg)
• Manufacturer Part Number: 601-07626-3150

This Stainless Bros 3-inch mandrel bend is engineered for high-performance fabrication where space is at a premium. Constructed from 16-gauge (0.065") 304 stainless steel, this 45-degree bend provides excellent corrosion resistance and durability for custom exhaust systems, intake piping, and coolant paths.

• Material: 304 Stainless Steel for superior heat and corrosion resistance.
• Mandrel Bent: Maintains a constant 3-inch diameter throughout the bend to ensure maximum flow and zero restriction.
• 1D Radius: Features an ultra-tight centerline radius equal to the tubing diameter (3 inches), ideal for compact engine bays.
• No Leg Design: The bend is cut without straight extensions (legs), allowing for precision fitment in tight-clearance applications.
• Part Number: 601-07626-3100

Each piece is finished to a high standard, ready for TIG welding to complete your custom automotive projects.

This Stainless Bros 3-inch diameter 45-degree mandrel bend is engineered for precision fabrication in high-performance exhaust systems, intake tracts, and custom automotive plumbing. By utilizing a mandrel bending process, this component maintains a consistent internal diameter through the entire radius, eliminating the flow restrictions and turbulence associated with traditional crush bends.

Designed for professional fabricators, this bend features staggered leg lengths of 5 inches and 8 inches, providing versatile trimming and fitment options for complex routing. The 1.5D (4.5-inch CLR) radius offers an ideal balance of flow efficiency and compact packaging for tight engine bays or chassis clearance.

• Diameter: 3.00"
• Bend Angle: 45 Degrees
• Bend Radius: 1.5D (4.5" CLR)
• Leg Lengths: 5" and 8"
• Construction: Mandrel Bent
• Manufacturer Part Number: 601-07626-1150

The Stainless Bros 2.50-inch diameter 90-degree mandrel bend is a fundamental component for high-performance automotive fabrication. Engineered with a tight 1.5D (3.75-inch) Center Line Radius, this pipe allows for precise routing of exhaust systems, intakes, and custom plumbing through restricted spaces. The mandrel bending process ensures a constant internal diameter throughout the curve, preventing the flow restrictions common in crush-bent alternatives. Each piece includes straight legs to provide fabricators with sufficient material for trimming, fitment, and welding.

• Outside Diameter: 2.50in
• Bend Angle: 90 Degrees
• Center Line Radius (CLR): 3.75in (1.5D)
• Construction: Mandrel bent for uniform wall thickness and flow
• Manufacturer Part Number: 601-06356-4150

This Stainless Bros 2.50-inch 90-degree mandrel bend is engineered for high-performance fabrication where space and flow are critical. The "no leg" design is ideal for tight-clearance routing in custom exhaust systems, turbo manifolds, and intake piping, allowing for compact packaging without sacrificing internal diameter consistency.

• Brand: Stainless Bros
• Diameter: 2.50 in
• Angle: 90 Degree
• Bend Radius: 1.5D (3.75 in CLR)
• Leg Type: No Leg
• Construction: Mandrel bent for optimal flow and wall thickness integrity
• Part Number: 601-06356-3150

Each bend is manufactured to exacting tolerances to ensure a perfect fit for fabricators requiring precise, professional-grade components for custom automotive plumbing.

This Stainless Bros 90-degree mandrel bend is a precision fabrication component designed for high-performance applications where space is extremely limited. The "No Leg" configuration provides a tight, uniform curve without the standard straight sections, making it ideal for compact engine bays, custom manifold construction, or intricate exhaust routing.

By utilizing a mandrel bending process, this tube maintains its 2.50-inch diameter throughout the entire 90-degree arc, ensuring maximum flow velocity and preventing the turbulence common in crush-bent alternatives. The 1D radius (2.50-inch Center Line Radius) offers the tightest possible bend for professional-grade fabrication projects.

• Brand: Stainless Bros
• Part Number: 601-06356-3100
• Outside Diameter: 2.50 inches
• Bend Angle: 90 Degrees
• Bend Radius: 1D (2.50-inch CLR)
• Leg Length: No Leg
• Construction: Mandrel Bent

This Stainless Bros mandrel bend is engineered for precision automotive fabrication where space is at a premium and flow is critical. Featuring a 2.5-inch outer diameter and a ultra-tight 1D centerline radius (CLR), this component allows for compact routing of exhaust, intake, or cooling systems without the flow restrictions found in crush-bent tubing.

• Manufacturer Part Number: 601-06326-4100
• Tubing Diameter: 2.5 inches
• Centerline Radius (CLR): 2.5 inches (1D)
• Leg Lengths: 2.0 inches per side
• Material: High-grade stainless steel construction
• Mandrel bent to maintain consistent internal diameter and wall thickness

The 1D radius profile is specifically designed for tight engine bays and chassis clearances. With 2-inch straight legs on both ends, this piece provides a clean surface for TIG welding and enough material to be trimmed for a perfect fit in custom manifold or downpipe projects.

This Stainless Bros mandrel bend is engineered for high-performance fabrication in exhaust, intake, and cooling systems. Featuring a precise 45-degree angle and a tight 1.5D center line radius (3.75 inches), this component allows for efficient routing in space-constrained engine bays or chassis tunnels.

The "no leg" design simplifies the fitment process by providing a clean bend without excess straight tubing, making it an ideal choice for custom manifold or downpipe construction where tight clearances are a priority. The mandrel bending process ensures a consistent internal diameter throughout the curve, maintaining optimal flow and minimizing turbulence.

• Diameter: 2.50 inches
• Angle: 45 Degrees
• Bend Radius: 1.5D (3.75" CLR)
• Leg Style: No Leg
• Manufacturer Part Number: 601-06326-3150

This Stainless Bros 2.50-inch mandrel bend is an essential component for high-performance exhaust, intake, or custom plumbing fabrication. Utilizing a precise mandrel-bending process, this tube maintains a consistent inner diameter throughout the entire 45-degree arc, eliminating the flow-robbing turbulence and restrictions found in traditional crush-bent piping.

Designed for professional fabricators, this bend features extended 5-inch and 8-inch legs, providing ample material for trimming and fitment in tight engine bays or chassis tunnels. The 1.5D (3.75-inch) center line radius offers a tight, compact profile without sacrificing exhaust scavenging efficiency.

• Diameter: 2.50in
• Angle: 45 Degree
• Center Line Radius (CLR): 3.75in (1.5D)
• Leg Lengths: 5in and 8in
• Manufacturer Part Number: 601-06326-1150