• Tube size: 4" (101 mm) — full 4‑inch diameter exhaust pipe for high flow.
• Material: 409 stainless steel tubing — corrosion‑resistant and able to withstand exhaust heat and harsh off‑road conditions.
• Flanges & Mounting: 4‑bolt, 10 mm thick flange plates with heavy‑duty hanger brackets and pressed fire‑ring gaskets for secure, vibration‑resistant installation.
• Sensor provision: Removable ¼″ NPT plug‑boss for optional EGT (exhaust‑gas temperature) sensor installation — useful in tuning or monitoring setups.
• Finish: Premium heat‑proof paint coating — protects against corrosion, heat, and rough use for long‑term durability.
• Warranty: 10‑year manufacturer warranty (standard for Redback Extreme Duty line) — reflects confidence in build quality and durability.