97710 Boost Tube System for 2017 thru 2019 L5P
INSTALL INSTRUCTIONS
Part #s
25999
Banks High-Flow Boost Tubes 2017-2019 Chevy/GMC 2500/3500 6.6L Duramax, L5P
Please read through the following instructions thoroughly before starting your installation. If you have any questions please visit our Support Page.
![Assembled Photo Of the Banks Boost-Tubes for 2020+ L5P Duramax](https://banks-wp-images.s3.amazonaws.com/performance-upgrades/wp-content/uploads/2021/06/25999_asembled-800x800.jpg)
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/LaidOutForInstall-SharpFixed-1024x683.jpg)
![](https://banks-wp-images.s3.amazonaws.com/performance-upgrades/wp-content/uploads/2021/12/Screen-Shot-2021-12-08-at-9.13.36-AM-1024x759.jpg)
Required Tools
Socket Driver
Socket Extension
8mm Socket
10mm Socket
10mm Deep Socket
11mm Deep Socket
13mm Deep Socket
10mm Wrench
14mm Wrench
![](https://banks-wp-images.s3.amazonaws.com/performance-upgrades/wp-content/uploads/2023/12/97710-BOM-V2-1024x739.png)
Bill of Materials
![](https://banks-wp-images.s3.amazonaws.com/performance-upgrades/wp-content/uploads/2024/06/25999_Assembled_BOM_V2-1-1024x1024.jpg)
General Installation Practices
Removal of the Stock Tubes
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_001-1024x576.jpg)
1. Begin by putting the truck on a flat surface and remove the fender well.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_002-1024x576.jpg)
2. Disconnect the mass air sensor, by sliding the red locking mechanism back until you hear a click.
Then, use your thumb to depress the tab and push the connector back off the housing.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_003-1024x576.jpg)
3. Remove the factory intake using an 8mm socket to loosen the clamp on the factory duct.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_004-1024x576.jpg)
4. Remove the two bolts on the cover assembly using an 8mm socket.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_005-1024x576.jpg)
5. Lift the assembly out to expose the air filter.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_006-1024x576.jpg)
6. Remove the factory air filter by pulling upward until you hear the retaining clips pop.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_007-1024x576.jpg)
7. Disconnect the inlet throttle temperature sensor.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_008-1024x576.jpg)
8. Remove the 10mm bolt holding the upper boost tube in place.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_010-1024x576.jpg)
9. Remove the lower end of the factory tube by unclipping the retaining clip with a flathead screwdriver.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_011-1024x576.jpg)
10. Remove the factory tube from the engine compartment.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_013-1024x576.jpg)
11. Using a 10mm wrench remove one bolt from the fan shroud to allow for flexibility.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_015-1024x576.jpg)
12. Disconnect the other factory tube by using an 11mm deep socket on the upper clamp.
NOTE: The lower clamp is behind the support mount and is difficult to reach.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_017-1024x576.jpg)
13. Locate the lower clamp and carefully feel for the correct tool placement. Use a socket extension.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_019-1-1024x576.jpg)
14. Once the clamps have been loosened, gently pull the tube from the intercooler.
Installing Banks Boost Tubes
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_020-1024x576.jpg)
1. Prepare for the installation by removing the sensor from the factory tube and install it on the Banks tube.
![](https://banks-wp-images.s3.amazonaws.com/performance-upgrades/wp-content/uploads/2021/08/New-Step-2.jpg)
2. Remove the retaining clip from the factory tube charge air cooler end and install it on the Banks boost tube adapter.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_021-1024x576.jpg)
3. Pre-install the rubber boots and loosely tighten the hose clamps in place.
Please note the orientation of the tubes shown in the photo is the correct orientation for installation.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_022-1024x576.jpg)
4. Install the cold tube through the top of the engine.
NOTE: Take care not to accidentally rotate any of the clamps you pre-installed.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_023-1024x576.jpg)
5. Slide the upper portion of the tube over the throttle body.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_024-1024x576.jpg)
6. Slide the lower portion and push until you hear the retaining clip pop into place.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_025-1024x576.jpg)
7. Fasten the clamps on the top portion of the tube with an 11mm deep socket.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_026-1024x576.jpg)
8. Reconnect the throttle valve inlet temp sensor.
Installing the Hot Tubes
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_027-1024x576.jpg)
1. Install the boot with a clamp onto the intercooler flange.
NOTE: It’s important to orient the lower clamp with the drive nut in the vertical position because tool access is limited.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_028-1024x576.jpg)
2. Use an 11mm deep socket with an extension to secure the clamp.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_029-1024x576.jpg)
3. Install the lower tube by feeding it through the wheel well and up into the engine bay.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_030-1024x576.jpg)
4. Loosely install the second clamp onto the lower boot and gently slide the lower portion of the tube into the boot.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_031-1024x576.jpg)
5. Prepare the upper section of the tube by installing the boots and clamps.
Be sure to leave the clamps slightly loose to allow for flexibility.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_032-1024x576.jpg)
6. Place the upper tube into position, and slide the upper portion of the tube onto the turbo flange.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_033-1024x576.jpg)
7. Join the two tubes together using the mid-boot and a clamp.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_035-1024x576.jpg)
8. Double check the fit of the tube by pulling on it and making sure all clamps are in place.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_036-1024x576.jpg)
9. With everything in place, lockdown the upper tube by tightening the clamp.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_037-1024x576.jpg)
10. Secure the mid-boot by tightening the clamps.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_038-1024x576.jpg)
11. Tighten the clamps on the bottom tube.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_039-1024x576.jpg)
12. Reinstall the fender covers on both sides of your truck.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_040-1024x576.jpg)
13. Reinsert the airbox and filter. Simply press the airbox down until you hear it snap into place.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_042-1024x576.jpg)
14. Place the intake back into position by reconnecting the duct.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_043-1024x576.jpg)
15. Lock the airbox down by reinstalling the bolts.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_044-1024x576.jpg)
16. Reinstall the MAP sensor by pushing together until you hear the click.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_045-1024x576.jpg)
17. Secure the intake duct back into place by tightening the clamp.
![](https://s3.amazonaws.com/wp-images.bankspower.com/performance-upgrades/wp-content/uploads/2021/06/L5P_BoostTube_Step_046-1024x576.jpg)
18. Congrats! You have successfully installed your Banks boost tube kit!