316 Stainless Steel Concentric Reducer 5" to 4" (125x100mm) - 1.6mm

Premium 316 Stainless Steel Concentric Reducer for High-Performance Exhaust Systems

Engineered for race-ready builds, this 5" x 4" (125mm x 100mm) concentric reducer delivers smooth, turbulence-free diameter transitions in turbo dump pipes, expansion chambers, and custom exhaust fabrication.

Key Features:

• Marine-grade 316 stainless steel - superior corrosion resistance for extreme heat and harsh conditions
• 1.6mm wall thickness - robust construction for high-boost turbo applications
• Concentric design - maintains centered flow path for optimal exhaust gas velocity
• Precision mandrel-formed - smooth internal transitions reduce backpressure
• TIG-weld ready - clean edges for professional fabrication results

Applications:

• Turbo dump pipe fabrication
• Exhaust muffler construction
• Expansion chamber builds
• Custom exhaust manifold work
• Intercooler piping transitions

Specifications: 5" (125mm) to 4" (100mm) | 1.6mm wall | T316 grade | Australian stock