6448

PDI Big Boss Intake Manifold Cummins X15 | ISX15 2013.5-2020

12 reviews
  • $1,350.00

Available for: 2013.5 - 2018 Cummins ISX15 & X15 Engines

Warranty: 1 Year Unlimited Mile Warranty

PDI Big Boss Intake manifolds are built to increase and balance the air going into the engine. By opening up the manifold in key areas airflow will increase up to 35% leading to lower air intake temperatures resulting in power gains of up to 20hp. These direct replacement manifolds are simple to install and utilize factory hardware. Like all PDI products, the Big Boss intake manifolds will increase horsepower and efficiency to make your drive more enjoyable and save you money.

NOT LEGAL FOR SALE OR USE IN CALIFORNIA

 Product Overview Video:

Installation Video:

 Inside the Cab Results:

Customer Reviews
5.0 Based on 12 Reviews
Write a Review Ask a Question
  • Reviews
  • Questions

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
CV
07/26/2021
Cutberto V.
United States United States
Fast delivery. Excellent quality

Smoother and cooler engine operation

JH
04/24/2021
John H.
United States United States
Great pairing

Like the sound and the throttle response, a bit more boost on the tuner

Performance Diesel Inc PDI Big Boss Intake Manifold Cummins X15 | ISX15 2013.5-2020 ReviewPerformance Diesel Inc PDI Big Boss Intake Manifold Cummins X15 | ISX15 2013.5-2020 ReviewPerformance Diesel Inc PDI Big Boss Intake Manifold Cummins X15 | ISX15 2013.5-2020 Review
TB
04/19/2021
Troy B.
United States United States
ISX 15 Air Intake

Very happy with it More Throttle Runs Cooler Runs Smoother Very easy install

GM
11/25/2020
George M.
United States United States
shop manager

you can hear and feel the better difference

DH
11/17/2020
Daniel H.
United States United States
X15 manifold

Great product fast shipping. Easy install. And. Truck runs great. More throttle response