Thunderstroke® Stage 1 Performance Air Intake
Indian Motorcycle
Regular price $549.99
Unit price per
3% increase in Horsepower. The key to making power with any engine is abundant air and fuel flow into the combustion chamber. Swapping your stock air filter for this Stage 1 High Performance Air Cleaner is a great way to create more power and improve acceleration. This waterproof Stage 1 Performance Air Cleaner is designed with non-woven media to improve power through better flow, and provides high-efficiency cleaning to protect your engine from damaging dirt and debris. The synthetic filtration media operates at a high-filtration efficiency and conveniently requires no filter re-washing like other paper-based or washable filtration systems. The muscle car-inspired design increases the volumetric efficiency and creates a ram air effect, which increases engine power as you increase the speed of the motorcycle. Variable length fins inside the intake tract are tuned to optimize and smooth the airflow inside the housing. The steel cover provides the same legroom as stock. Adding the final bit of style is the iconic Indian® script logo embossed across the face of the housing cover.
This complete kit conveniently includes the required Calibration Code that upgrades the Engine Control Module (ECM) software from stock to Stage 1, allowing this kit to be properly installed by your dealer. No additional software purchase necessary. Each kit is designated with a warning triangle to indicate the restrictions that may apply. Click on the link below to review potential regulatory penalties for inappropriate installations of this item.
Important Regulatory Information
- One Thunderstroke® Stage One Performance Air Intake
- 3% increase in horsepower over stock
- Ram air intake with internal channels for a smoother delivery
- Non-woven, synthetic filtration media for high-filtration efficiency without re-washing
- Comes with Air Cleaner Assembly, Filter Media, Stage 1 Calibration, and Installation Hardware
- Replacement air filters can be found HERE
|
Ease Of Installation
|
Dealer Only
|
|
Recommended With
|
Thunderstroke® Stage 1 Slip-On Exhaust Kit or Stage 2 Performance Cams
|
|
Care And Cleaning
|
Please see your Indian Motorcycle Rider's Manual for specific cleaning and maintenance instructions.
|
|
Warranty
|
Warranty Information |
|
California residents
|
WARNING |
Fits
- 2022, 2016-2020 Springfield
- 2022 Chieftain Dark Horse Icon
- 2021-2022 Roadmaster Limited
- 2021 Vintage Dark Horse
- 2021 Indian Springfield
- 2020-2022 Roadmaster Dark Horse
- 2020-2021, 2017-2018 Chieftain Elite
- 2020-2021 Indian Vintage
- 2020, 2018 Roadmaster Elite
- 2020 Indian Chief Dark Horse
- 2018-2022 Springfield Dark Horse
- 2018-2020 Chieftain Classic
- 2018, 2016 Chief
- 2017-2022 Chieftain Limited
- 2017-2019 Chief Dark Horse
- 2017-2018 Roadmaster Classic
- 2016-2022 Chieftain Dark Horse
- 2015-2022 Roadmaster
- 2014-2022 Chieftain
- 2014-2019 Chief Vintage
- 2014-2018 Chief Classic
Replacement air filters can be found HERE
Indian Motorcycle Sizing Chart (Men's)
|
|
Chest |
Inside Leg |
Size |
Inches |
Inches |
XS |
32.7 |
31.5 |
S |
36.2 |
31.9 |
M |
39.8 |
32.3 |
L |
43.3 |
32.9 |
XL |
46.9 |
33.5 |
2XL |
50.4 |
34.1 |
3XL |
53.9 |
34.6 |
4XL |
57.9 |
35.2 |
5XL |
61.8 |
35.8 |
Men's Measurements
To find your clothing size:
-
Remove bulky clothing
-
Remove shoes when measuring
-
Measure with your feet together
-
Take body measurements in circumference
Indian Motorcycle Sizing Chart (Women's)
Indian Motorcycle Women’s Sizing Chart
|
|
Chest |
Waist |
Hips |
Inside Leg |
|
Size |
Inches |
Inches |
Inches |
Inches |
|
XS |
32.7 |
25.6 |
36.2 |
30.3 |
|
S |
35 |
28 |
28.6 |
30.7 |
|
M |
37.4 |
30.3 |
40.9 |
31.1 |
|
L |
39.8 |
32.7 |
43.3 |
31.5 |
|
2XL |
46.1 |
39 |
49.6 |
32.7 |
|
3XL |
49.2 |
42.1 |
52.8 |
33.3 |
Women's Measurements
To find your clothing size:
-
Remove bulky clothing
-
Remove shoes when measuring
-
Measure with your feet together
-
Take body measurements in circumference
Indian Motorcycle Helmet Sizing Chart
|
Size |
IN |
CM |
|
XS |
21.3 |
54 |
|
S |
21.7-22 |
55-56 |
|
M |
22.4-22.8 |
57-58 |
|
L |
23.2-23.6 |
59-60 |
|
XL |
24-24.4 |
61-62 |
|
2XL |
24.8-25.2 |
63-64 |
|
3XL |
25.6-26 |
65-66 |
|
4XL |
26.4-26.8 |
67-68 |
Helmet Measurements
All measurements are in circumference
Indian Motorcycle Footwear Sizing Chart (Men's)
| USA | IN | CM |
| 7 | 9.8 | 25 |
| 8 | 10.2 | 26 |
| 9 | 10.6 | 27 |
| 10 | 11 | 28 |
| 11 | 11.4 | 29 |
| 12 | 11.8 | 30 |
| 13 | 12.2 | 31 |
| 14 | 12.6 | 32 |
Indian Motorcycle Footwear Sizing Chart (Women's)
| USA | IN | CM |
| 5 | 8.7 | 22 |
| 6 | 9 | 23 |
| 7 | 9.4 | 24 |
| 8 | 9.8 | 25 |
| 9 | 10.2 | 26 |
| 10 | 10.6 | 27 |
| 11 | 11 | 28 |