Indian Motorcycle Thunderstroke Stage 1 Performance Air Intake - Dealer install ONLY!

Unlock a 3% horsepower gain with the Thunderstroke Stage 1 Performance Intake—an OEM air intake assembly engineered to elevate your ride’s power and precision. This performance system increases airflow into the combustion chambers, delivering sharper acceleration, smoother throttle response, and a more dynamic feel with every twist of the throttle. Its sculpted ram-air housing generates pressurized flow that intensifies with speed, while internal variable-length fins are precision-tuned to optimize and smooth the intake path for consistent performance. 

Engine protection is just as robust as the power boost. The non-woven synthetic filtration media traps dirt and debris with high-efficiency performance—without requiring washing or oiling like reusable filters—ensuring clean, uninterrupted airflow that helps safeguard your engine over time. A low-profile steel cover preserves stock legroom while showcasing the embossed Indian Motorcycle script logo, finished in your choice of Chrome or Black for a bold, performance-driven look. 

This complete high performance intake kit includes the intake assembly, synthetic filter, calibration card with a unique ECM update code, installation hardware, and instructions. Dealer installation is required for ECM recalibration to ensure optimal performance—no additional software purchase necessary. Each system is marked with a regulatory warning triangle, and a dedicated OEM replacement filter is available separately for long-term maintenance. 

*** This item is only available for installation at your dealer. ***

• 3% Horsepower Gain & Sharper Acceleration: The Thunderstroke Stage 1 Performance Air Intake increases airflow into the combustion chambers, delivering a 3% horsepower gain over stock—along with quicker acceleration, enhanced throttle response, and a more responsive ride. 

• High-Efficiency Synthetic Filtration: This high performance air intake kit features a non-woven synthetic media filter that traps dirt and debris with high-filtration efficiency—helping protect your engine mile after mile without requiring washing or oiling like reusable filters. 

• Ram Air Design with Tuned Internal Fins: Inspired by muscle car engineering, the intake housing generates a ram air effect that boosts engine power as speed increases. Internal variable-length fins are precision-tuned to smooth and optimize airflow for consistent performance. 

• Refined Styling with Embossed Indian Branding: Finished in Chrome or Black, the low-profile steel cover preserves stock legroom and features the iconic Indian Motorcycle script logo—delivering a clean, performance-forward look that reinforces your bike’s bold design. 

• What’s Included: Includes the air intake assembly, synthetic filter, calibration card with a unique ECM update code, installation hardware, and instructions. Dealer installation is required for ECM recalibration to ensure optimal performance. 

• Replacement Filter Available: A dedicated OEM replacement filter is available separately, designed specifically for the Thunderstroke Stage 1 Performance Air Intake—providing convenient maintenance and sustained performance over time. 
  
  
• Ease Of Installation: Dealer Only

Designed to fit these Indian Motorcycles:

Orders $89 and over qualify for free standard shipping via Ground (UPS, FedEx, USPS) to the contiguous 48 US states. Shipping will be calculated for orders to Alaska, Hawaii, and U.S. Territories including Puerto Rico, Guam, and U.S. Virgin Islands.

Orders under $89 qualify for $4.99 standard shipping via Ground (UPS, FedEx, USPS) to the contiguous 48 US states. Shipping will be calculated for orders to Alaska, Hawaii, and U.S. Territories including Puerto Rico, Guam, and U.S. Virgin Islands.

P.O. Box Shipping. If you list a PO Box and select free shipping, please add a customer note with your order including a physical shipping address. We will ship to a PO Box if the shipping is comparable to other carriers. Otherwise we may need to ship to physical address or charge additional shipping fees.

Learn about additional details and restrictions by reading our full Shipping Policy

If your order arrives and it is not right, we’ll fix it…period. Doesn't fit or you're simply not happy with your item? Return any new, unused and unaltered item within 30 days of delivery of your item. Learn about additional details and restrictions by reading our full return policy.