The Big flow kit. 5 inch intake with 3.5 inch full piping kit.

from $700.00

This kit is made to maximize the amount of air you can feed your 5.9 Cummins. The OEM intercooler has 3.5” inch inlets and outlets. This piping kit makes it so there are no restrictions until the intake plenum. The massive 5” diameter intake can be used with the stock turbo or a bolt on S400 series turbo and will still clear the battery. This intake will still fit our Heat shield as well.

Everything is made with 304 stainless steel and is fully TIG welded. not only with this look great, it will last a lifetime. Everything needed to install it comes in the kit. You get all the couplers and clamps. As well as new gaskets and bolts for the intake horn.

pair the intake and the piping kit together and save!

Add 1/8th NPT bung:
Turbo inlet size:

This kit is made to maximize the amount of air you can feed your 5.9 Cummins. The OEM intercooler has 3.5” inch inlets and outlets. This piping kit makes it so there are no restrictions until the intake plenum. The massive 5” diameter intake can be used with the stock turbo or a bolt on S400 series turbo and will still clear the battery. This intake will still fit our Heat shield as well.

Everything is made with 304 stainless steel and is fully TIG welded. not only with this look great, it will last a lifetime. Everything needed to install it comes in the kit. You get all the couplers and clamps. As well as new gaskets and bolts for the intake horn.

pair the intake and the piping kit together and save!

Related Products

3.5" Intake horn & Cold side piping kit for 5.9L 24V Cummins 1994-02 Ram 2500
from $390.00

This set is for the 24V Cummins 1998-2002. Intake horns for the  12V 1994-1998 are available. Please check other listings

This intake horn is made from 3.5 inch stainless steel and helps smooth the air flow as it enters the intake manifold. Paired with the PQY intake heater block delete this kit removes all the restriction for the charge air. It not only makes performance gains but looks much better too.

-3.5 inch Stainless steel intake horn and cold side pipe

-(4) M8×1.25×75 bolts

-3.5 inch straight silicone coupler

-3.5inch 45 degree silicone soupler

-(4) 3.5 inch T-bolt clamps

5" inch intake for 1994-2002 Cummins 12V-24V 5.9L
from $400.00

This is a 5” diameter intake for the 94-02 5.9L Cummins. It will fit your stock turbo or any bolt on aftermarket turbos. It is made from 304 stainless steel and is fully TIG welded. Unlike other intakes that use a large 45° coupler that can collapse under high boost. This intake only uses a small reducer coupler or a straight 5” coupler. It comes with everything needed to install it.

Not only will this intake look great it really makes the turbo sing. Add a heat shield to the kit for maximum HP gains.

Intake Shield for 5.9L 12/24V Cummins Engines in 94-02 Ram 2500/3500 pickup
from $70.00

This Intake shield is designed to work with our Cummins 5.9 Cold air intakes. It helps block the hot air from the turbo and allows the stock air inlet to feed fresh cold air to the turbo.

The heat shield is formed and then fully tig welded for strength. Edge trim is also provided so the shield and intake will not rub and damage each other.

Powder coating is available apron request.