RPM “BIG FATTY” Heavy Duty Silicone Intake Tube
Unmatched Durability. Maximum Airflow. Zero Collapse.
Boost your Polaris RZR’s performance and reliability with the RPM “Big Fatty” HD Silicone Intake Tube — the industry's toughest and most efficient intake upgrade for high-performance and stock UTVs alike. This intake tube eliminates bottlenecks, outlasts factory components, and ensures your engine is never starved of air under pressure.
🔧 Why Choose the Big Fatty?
🚫 No More Collapse
- The stock intake tube is notorious for collapsing under heat or boost — especially on tuned machines.
- RPM’s 5-ply, 6mm thick, wire-reinforced construction ensures it holds shape under extreme conditions.
🌀 Venturi “Big Mouth” Design
- Optimized for rapid airflow, the wide-mouth venturi design pulls in more fresh air, faster.
- Smooth, port-matched connection to the airbox eliminates turbulence and increases velocity.
🛠️ Built for Boost
- Perfect for stock or modified engines, including high-boost turbo builds.
- Internally wire-reinforced to prevent kinks or collapse at high temperatures or pressure.
⚙️ Direct Fit. No Modifications.
- Replaces OEM Parts #5416487 and #5414691
- Designed to clear aftermarket shock springs with ease.
- T-bolt stainless clamps included for secure, leak-free installation.
📦 What's Included:
(1) Big Fatty 5-Ply Silicone Intake Tube
(2) Stainless Steel T-Bolt Clamps
🕒 Install Time:
- Simple 10-minute install
- No tools beyond basic hand tools required
🚙 Fitment:
- 2015–2023 Polaris RZR XP 1000
- 2016–2022 Polaris RZR XP Turbo
- 2018–2021 Polaris RZR Turbo S
⚡ Benefits at a Glance:
- 5-Ply silicone + wire reinforcement = no collapse under boost
- Port matched to factory airbox = seamless airflow
- Clears aftermarket suspension = no interference
- Works with stock or tuned setups
- Easy bolt-on install with premium clamps included
Ready to push your RZR harder without risking airflow loss? The RPM Big Fatty is the intake tube your machine deserves.