SPI Carb Boot / Air Silencer for Arctic Cat Snowmobiles Replaces OEM# 1670-353

SPI Carb Boot / Air Silencer for Arctic Cat

This SPI carb boot / air silencer replaces OEM number 1670‑353 on Arctic Cat snowmobiles, connecting the carburetor to the air intake system.

Overview

The SPI carb boot / air silencer is a direct replacement for the factory intake boot on Arctic Cat snowmobiles that use part 1670‑353. This component seals the connection between the carburetor and air box, preventing unfiltered air from entering the engine. It is intended for Arctic Cat owners performing maintenance or restoring a worn intake system.

Built For Performance

• Molded from flexible rubber that withstands engine heat and vibration
• Reinforced ends resist cracking and splitting over time
• Precisely shaped to match the OEM 1670‑353 dimensions
• Includes necessary sealing ridges for a snug fit
• Designed for Arctic Cat snowmobile engines requiring this specific boot

On‑The‑Job Use

• Replacing a cracked or brittle carb boot that causes air leaks
• Restoring proper air‑fuel mixture after a vacuum leak is detected
• Installed during a carburetor rebuild or intake system overhaul
• Servicing Arctic Cat snowmobiles stored in extreme cold conditions

Specs At A Glance

Good To Know

Q: Will this boot fit all Arctic Cat snowmobiles? A: No, it is specifically for machines that originally used part number 1670‑353; always verify your model and year.

Q: Does the air silencer portion require any modification? A: The boot integrates a small resonance chamber to reduce intake noise; installation is a direct swap with the original part.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.