6448

BIG BOSS INTAKE MANIFOLD CUMMINS X15 | ISX15 2013.5-2020

4
  • $1,350.00

Available for: 2013.5 - 2020 Cummins ISX15 & X15 Engines

Warranty: 1 Year Unlimited Mileage Warranty

PDI Big Boss Intake manifolds are built to increase performance 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, torque, and efficiency to make your drive more enjoyable and save you money.

Product Overview Video:

Installation Video:

 Inside the Cab Results:

Customer Reviews

5 Based on 4 Reviews
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PM
06/14/2019
pharris m.
United States United States

Works great

This makes my 2nd intake manifold it helps on top in performance

CH
05/14/2019
Carlos H.
United States

It has been great!!,I am

It has been great!!,I am averaging 6.5 mpg loaded.before the new intake I was averaging 4.1 to 4.7 mpg, and I see a massive difference when I am pulling up on the inclines. Cant wait to combine it with the big boss performance tuner

Carlos H. verified customer review of BIG BOSS INTAKE MANIFOLD CUMMINS X15 | ISX15 2013.5-2020Carlos H. verified customer review of BIG BOSS INTAKE MANIFOLD CUMMINS X15 | ISX15 2013.5-2020
MB
03/16/2019
Mike B.
United States

Easy and great!

Easy and great!

Mike B. verified customer review of BIG BOSS INTAKE MANIFOLD CUMMINS X15 | ISX15 2013.5-2020
JD
02/01/2019
Jay D. Hawthorne - C & J Trucking of Iowa

Increased Pulling Power & Better Fuel Mileage!!

We have installed several Big Boss Performance Tuners and Big Boss Intake Manifolds in our fleet. We are seeing anywhere from ½ MPG improvement in fuel economy to as much as 1¼ MPG improvement with both. Drivers are very pleased with the increase in pulling power, as we are seeing improved DEF consumption and less slobbering down the exhaust pipes. We will be doing the rest of the fleet in the very near future.