• 42mm headers for high performance
• Dual O2 sensor ports for fine-tuning
• Adjustable tailpipes for custom fit

This big bore exhaust silencer, complete with oversized tailpipes, is designed for high performance with 42mm outer diameter headers. It features dual O2 sensor ports, allowing precise fuel tuning for optimal engine performance.

Perfectly matched to our Big Bore flanged heat exchangers (AC255091 & AC255092), the flanged connection ensures a leak-free installation. Ideal for 1776cc and larger engines with twin carburetors and big valve heads, this silencer retains a stock appearance from the rear, offering a stealthy yet powerful upgrade. The adjustable tailpipes can be tailored to fit your vehicle's rear bumper position, making it a versatile choice for enthusiasts.