2024 Spec 4-1 Pro Stock Exhaust

Description

This 4-1 Pro Stock exhaust system is the ultimate choice for drag racing, engineered to deliver peak power with its innovative design and high-quality materials. Sold as a kit, it offers adaptable fitment for most Vance & Hines Motorsports, Trac, PMFR, and Kosman frames.

• Exclusively Designed for Drag Race Applications
• High-Quality 304 Stainless Steel Headers 
• Equipped with a 304 Stainless Steel, Full Merge 4:1 Collector and Tapered Intermediate Pipe for Maximum Performance
• Slip Fit Collector Joints with Dual Swivel End Retention Springs for Secure Fitment
• Components Included: 
  • Aluminum CNC Machined Nose-Slip
  • 90° Tailpipe Elbow
  • 3-1/2″rd Tuned Length Aluminum Tailpipe (36” length to shorten as needed)
  • O2 sensor bung for wideband air/fuel ratio monitoring
  • Lightweight Carbon Sleeve for Tailpipe
  • Contrast Cut CNC Machined Billet End Cap
  • Double-Layered Waterjet Cut Riveted V&H Badge
  • Hardware
  • Spring-Puller Tool
• System Only Weighs 10 lbs 
• **O2 Bung location placement and Tail Pipe Length determination based on Customer set-up **