Diesel Power Source

This is the direct stock replacement turbo and manifold kit for the ISX and X15 Cummins. This kit gives your better airflow and better power and performance!

The best exhaust manifolds for the ISX and X15 Cummins engine.

WHY UPGRADE YOUR EXHAUST MANIFOLD?
Your stock exhaust manifold is holding back your engine's potential. This high-performance replacement unleashes it.

THE PERFORMANCE GAINS:
✓ 22% Better Exhaust Flow — Dramatically improved exhaust scavenging
✓ 75-100° EGT Reduction — Under load, your engine runs cooler and cleaner
✓ Better Performance — Noticeable improvement in throttle response and power
✓ Extended Engine Life — Lower operating temperatures = longer lifespan
✓ Stock Replacement Design — Drop-in upgrade, no modifications needed

WORKS WITH YOUR STOCK TURBO:
These manifolds are engineered to mount perfectly to your stock Holset turbo:
Direct fit to existing turbo
No custom fabrication required
Maintains turbo compatibility
Works with your current setup

EGR OR NON-EGR — WE HAVE YOU COVERED:
EGR Application Manifold:
Designed for EGR-equipped engines
22% exhaust flow improvement
Pre-tapped sensor ports
Easy installation

Non-EGR Application Manifold:
Optimized for non-EGR setups
22% exhaust flow improvement
EXCLUSIVE: Pre-tapped back pressure sensor port (we're the only company making this)
Easy gauge installation

THE EXCLUSIVE NON-EGR ADVANTAGE:
Diesel Power Source is the ONLY manufacturer offering the non-EGR manifold with a pre-tapped back pressure sensor port. This means:
Install a back pressure gauge in minutes
No drilling or custom fabrication
Professional installation quality
Monitor your engine in real-time

THE NUMBERS THAT MATTER:
- 22% exhaust flow improvement over stock
- 75-100 degree EGT reduction under load
- Stock replacement design = easy installation
- High-flow engineering = real performance gains

WHAT YOU'LL EXPERIENCE:
Engine owners upgrading to our manifold report:
- Cooler running engine
- Better throttle response
- Improved overall performance
- Longer engine life (lower temps)
- Better fuel economy
- Easier gauge installation

TECHNICAL EXCELLENCE:
This isn't just another manifold. This is:
- High-performance design
- Quality manufacturing
- Stock replacement simplicity
- Professional-grade components
- Engineered for real results

STOCK REPLACEMENT THAT PERFORMS:
Don't settle for stock limitations. This exhaust manifold gives you:
The ease of a stock replacement
The performance of an upgrade
The durability of quality engineering

👇 UPGRADE YOUR ISX15/X15 EXHAUST MANIFOLD:
https://www.dieselpowersource.com/isx15-manifold/

The turbo manifold kit that diesel mechanics are going crazy about.
DISCOVER THE PERFORMANCE REVOLUTION:
Get more horsepower. Better fuel economy. Lower EGTs. All with the easiest, most affordable performance upgrade for your ISX15 or X15.

WHAT'S INCLUDED:
This direct stock replacement VGT turbo features an upgraded 70-millimeter compressor wheel that immediately transforms your engine's performance:
✓ More horsepower
✓ Better MPG
✓ Lower EGTs
✓ Improved throttle response
✓ Easy installation

THE HIGH-PERFORMANCE EXHAUST MANIFOLD:
This kit comes with a premium upgraded exhaust manifold engineered for maximum flow and durability:
Works with EGR or non-EGR applications
22% improved exhaust flow
Better EGT temperatures
Premium construction for reliability

THE BENEFITS YOU'LL FEEL:
Diesel owners who upgrade to this kit report:
Better fuel economy (keep more money in your pocket)
More horsepower (feel the power increase immediately)
Lower EGTs (extend engine life and reliability)
Improved performance (noticeable difference at highway speeds)
Keeps your VGT (maintains smooth spool-up and drivability)
Keeps your Jake brake (no loss of braking functionality)

WHAT MAKES THIS KIT UNIQUE:
✓ Direct stock replacement — Install with confidence (bolt-on upgrade)
✓ Pre-tapped ports — Both EGR and non-EGR styles come with pyro and pressure sensor ports ready to go
✓ Back pressure sensor port — Non-EGR manifold includes pre-tapped port for easy installation
✓ Performance + Durability — Don't sacrifice longevity for power
✓ All-in-one solution — Turbo and manifold engineered to work together

PERFECT FOR:
2016-2024 ISX15/X15 engines
Owners wanting to upgrade turbo and improve performance
Mechanics looking for the easiest installation
Anyone seeking better fuel mileage without sacrificing power
Engine builders wanting premium quality components

WHY DIESEL MECHANICS LOVE THIS KIT:
"This kit makes people so happy when they put it on because it's better fuel mileage, it's better horsepower, it's lower EGTs. They keep their VGT so they have good spool-up, and they don't lose their Jake brake."
The combination of performance gains + reliability + ease of installation makes this the go-to upgrade for serious diesel owners.

THE EASY UPGRADE PATH:
Whether you need to replace your turbo or simply want to upgrade your performance, this kit gives you:
The performance of an upgrade
The simplicity of a stock replacement
The reliability of quality engineering

DON'T SETTLE FOR STOCK PERFORMANCE:
Your ISX15/X15 is capable of so much more. This turbo manifold kit unlocks that potential without the hassle of complex modifications.

UPGRADE YOUR ISX15/X15 NOW:
https://www.dieselpowersource.com/he400vg-turbo-manifold-kit-isx15/

📢 FOLLOW FOR MORE DIESEL PERFORMANCE UPGRADES and expert tips to maximize your engine.