Borla Hot Rod Kit Universal Custom Exhaust Builder System

The Borla Hot Rod Kit is the professional-grade exhaust fabrication solution engineered for custom builders, hot rod enthusiasts, and performance fabricators who refuse to compromise on quality. Designed to deliver maximum routing flexibility, the Hot Rod Kit line provides everything needed to construct a complete, header-back performance exhaust system tailored to virtually any custom chassis layout or application.

Aircraft-Quality T-304 Stainless Steel Construction

Every component in the Borla Hot Rod Kit line is precision-crafted from T-304 stainless steel — the same aircraft-quality alloy used throughout Borla's award-winning performance exhaust lineup. This premium material delivers outstanding corrosion resistance, long-term structural integrity, and a professional appearance that holds up under the most demanding conditions.

Mandrel-Bent for Unrestricted Exhaust Flow

All bends and elbows across the Hot Rod Kit line are true mandrel-bent, maintaining consistent pipe diameter through every curve. This eliminates the flow restrictions and backpressure associated with traditional crush-bent components, maximizing exhaust velocity and supporting real-world horsepower and torque gains.

Comprehensive Component Selection

The Hot Rod Kit product line offers a comprehensive range of exhaust fabrication components designed to handle virtually any routing challenge a custom build can present:

• 45-degree, 90-degree, and 180-degree U-bend elbows for smooth directional transitions and tight clearance routing
• Straight tubing sections for custom-length runs
• Select configurations available with Borla Turbo XL mufflers for a complete header-back build
• Multiple pipe diameters available to suit specific application requirements
• Components can be welded in place or secured with band clamps for installation flexibility

Show-Quality Finish Potential

Hot Rod Kit components arrive with a clean, natural brushed stainless finish straight from the factory. All components are fully suitable for polishing to a mirror-like shine, giving fabricators complete control over the final aesthetic — from subtle street builds to full show-ready displays.

Made in the USA — Backed by Borla's Million-Mile Warranty

Like every product in the Borla lineup, the Hot Rod Kit series is proudly made in the USA and backed by Borla's industry-leading Million-Mile Warranty, covering defects in materials and workmanship for the life of the original purchase. Build with confidence knowing that Borla's legacy of performance exhaust excellence stands behind every component in your custom creation.