Free Shipping on $75+ Orders

Down Pipe Kit; 4 in. Aluminized Tubing; Incl. Turbo V-Band/Exhaust Band Clamps; For Use w/S400 Turbos w/Full Marmon 4.2 in. Flange;

Yittzy
BD Diesel Down Pipe Kit; 4 in. Aluminized Tubing; Incl. Turbo V-Band/Exhaust Band Clamps; For Use w/S400 Turbos w/Full Marmon 4.2 in. Flange;
Hover to zoom
BD Diesel

Down Pipe Kit; 4 in. Aluminized Tubing; Incl. Turbo V-Band/Exhaust Band Clamps; For Use w/S400 Turbos w/Full Marmon 4.2 in. Flange;

MPN: 1045240UPC: 00990011404297
In Stock
Almost gone! Only 1 remaining
$238.95$262.08SAVE 9%
Starting at $20/mowithaffirm
12 Months
Fits:Universal Fit

Downpipe Kit - S400 4in Aluminized Full Marmon

1

Secure Checkout

SSL Encrypted

Easy Returns

30-day policy

Guaranteed Fitment

Or your money back

Pay Over Time

With Affirm

Usually ships in 1-3 business days

Comes With Exhaust Band Clamp,Comes With Turbo V-Band Clamp,12 Month Warranty

Overview

Downpipe Kit
- S400 4in Aluminized Full Marmon

Earn 238 Yittzy Rewards points with this purchase — 1 point per $1 spent. Join free

Compare Turbocharger Down Pipe Options

See how this product compares at different price points

Budget Pick
Armor Lite Turbocharger Down Pipe; 4 in. Diameter; For HX40 Turbo; Incl. 4 in Dual Wall Tip; HD Aluminized Steel; 3 Year Warranty;

MBRP Exhaust

Armor Lite Turbocharger Down Pipe; 4 in. Diameter; For HX40 Turbo; Incl. 4 in Dual Wall Tip; HD Aluminized Steel; 3 Year Warranty;

$164.99

Best Value
Current
Down Pipe Kit; 4 in. Aluminized Tubing; Incl. Turbo V-Band/Exhaust Band Clamps; For Use w/S400 Turbos w/Full Marmon 4.2 in. Flange;

BD Diesel

Down Pipe Kit; 4 in. Aluminized Tubing; Incl. Turbo V-Band/Exhaust Band Clamps; For Use w/S400 Turbos w/Full Marmon 4.2 in. Flange;

$238.95

Premium Pick
Armor Plus Turbocharger Down Pipe; Kit; Incl. Lower Pipe/Upper Pipe/Clamp/Bolts; T409 Stainless Steel; 4 in. Outlet Diameter Tip;

MBRP Exhaust

Armor Plus Turbocharger Down Pipe; Kit; Incl. Lower Pipe/Upper Pipe/Clamp/Bolts; T409 Stainless Steel; 4 in. Outlet Diameter Tip;

$325.00

Complete the BuildMore from BD Diesel

Track Bar Bushing Set; Front; To Be Used w/Track Bar Kids PN[1032011-F/1032013-F];

Suspension Track Bar Bushing

Track Bar Bushing Set; Front; To Be Used w/Track Bar Kids PN[1032011-F/1032013-F];

$51.95

BD Constant Tension Hose Clamp High Torque 4in

Radiator Coolant Hose Connector

BD Constant Tension Hose Clamp High Torque 4in

$26.95

Turbocharger Blanket; Incl. Grommets/Springs; T4 S300/S400;

Exhaust System Wrap Kit

Turbocharger Blanket; Incl. Grommets/Springs; T4 S300/S400;

$277.95

bd Diesel Exhaust Manifold RAM 2500/3500 Pickup 6.7l Cummins 19-24 1045969

Exhaust

bd Diesel Exhaust Manifold RAM 2500/3500 Pickup 6.7l Cummins 19-24 1045969

$665.95

Flow-MaX Tank Sump Kit; Incl. FloxMax Sump Body/Mesh Screen/Plate Clamp/3 in. Hole Saw/Fuel Hoses/Hardware;

Fuel Tank Pickup

Flow-MaX Tank Sump Kit; Incl. FloxMax Sump Body/Mesh Screen/Plate Clamp/3 in. Hole Saw/Fuel Hoses/Hardware;

$193.95

BD Diesel 1045921 Wastegate Control Valve - Dodge 2004.5-2007 5.9L

Turbocharger Wastegate Actuator

BD Diesel 1045921 Wastegate Control Valve - Dodge 2004.5-2007 5.9L

$215.95

Compare Turbocharger Down PipeBest Turbocharger Down Pipe →

Related Articles

Top 2 Epic Jeep Events This April 2026

Jeep Culture · Apr 17, 2026

Guide to Jeep Carolina Invasion 2026

Jeep Culture · Apr 17, 2026

9.5x1.5" JL Fender Chops: Ultimate Guide for 2018+ Jeep Wrangler

Jeep Modifications · Apr 16, 2026

You May Also Like