PPRC
4JJ1/4JJ3 Exhaust Manifold – Stainless Steel | F44/F55 | Isuzu D-MAX, MU-X & BT-50
4JJ1/4JJ3 Exhaust Manifold – Stainless Steel | F44/F55 | Isuzu D-MAX, MU-X & BT-50
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4JJ1 / 4JJ3 Exhaust Manifold — 304 Stainless Steel
F44/F55 high mount • Isuzu D-MAX • MU-X • Colorado • BT-50
Engineered for performance and made to last, this PPRC 304 stainless steel exhaust manifold is designed for F44, F55 and similar turbo setups on the Isuzu 4JJ platform. Clean TIG welds, excellent heat resistance, and the durability for street, towing, or serious performance builds.
🔧 Fitment & Specs
- Engine: Isuzu 4JJ1 / 4JJ3 (EGR / DPF deleted)
- Turbo pattern: F44 / F55 high mount (D-MAX style 44mm footprint)
- Material: 304 stainless runners, mild steel flanges, TIG welded
- Origin: PPRC — Thailand
Dump pipe and oil/water line routing will vary depending on turbo and vehicle configuration.
🚗 Vehicle Compatibility
- Isuzu D-MAX 4JJ1 — 2008–2016 (later models with modification)
- Isuzu MU-X 4JJ1 — 2013–2020 (with appropriate mods)
- Holden Colorado RC 4JJ1 — 2008–2012
- Holden Rodeo RA7 4JJ1 — 2007–2008
- Isuzu D-MAX 4JJ3 — 2020–on
- Isuzu MU-X 4JJ3 — 2020–on
- Mazda BT-50 4JJ3 — 2020–on
🔥 Key Features
- Premium 304 stainless steel — built for extreme heat and long-term reliability
- High mount turbo layout — suits F44 / F55 style turbochargers
- Excellent base for custom builds — ideal for high-flow, high-boost setups
⚠️ Installation Notes
- EGR / DPF delete required
- Coolant pipe under the manifold may require adjustment
- Custom dump pipe typically required for best fit and flow
- Inspect and replace studs, gaskets, and heat shielding during install
- Professional installation recommended for best fitment and reliability
Need help? Reach out and we'll point you in the right direction 🤠
🚚 Shipping & Payment
- 🚚 Free express shipping Australia-wide — full tracking included
- 💳 Buy now, pay later: Afterpay, Humm, Klarna & Zip
- 🇦🇺 All major credit cards accepted
Frequently Asked Questions
Does this fit both 4JJ1 and 4JJ3 engines?
Yes — it suits both the Isuzu 4JJ1 and the newer 4JJ3 found in the 2020-on D-MAX, MU-X and Mazda BT-50, with EGR/DPF deleted.
Which turbos does it suit?
It's built for F44 and F55 style turbochargers in a high mount configuration, using the D-MAX style 44mm footprint. Similar-pattern turbos will also fit.
Do I need a custom dump pipe?
Typically yes — a custom dump pipe is usually required for best fit and flow, and routing varies depending on your turbo and vehicle configuration.
What is the manifold made from?
304 stainless steel runners with mild steel flanges, fully TIG welded for strength and heat resistance.
Who makes this manifold?
This manifold is manufactured by PPRC Thailand, a trusted fabricator known for high-quality stainless steel exhaust components and proven durability in demanding applications.
PPRC 4JJ1/4JJ3 Manifold • 304 Stainless • F44/F55 High Mount
Built to handle boost. Free express shipping Australia-wide.
Disclaimer: Common Rail Cowboys is not affiliated with PPRC Thailand, Isuzu, Holden, or Mazda. Professional installation recommended.
