Common Rail Cowboys
4JJ1/4JJ3 Exhaust Manifold - F44 / F55 - Stainless Steel
4JJ1/4JJ3 Exhaust Manifold - F44 / F55 - Stainless Steel
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$1,035.00 AUD
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4JJ1 Exhaust Manifold – F44 / F55 – Stainless Steel
Built to Handle Boost – Premium PPRC Stainless High Mount
Engineered for performance and made to last, this 4J stainless steel exhaust manifold is designed for F44, F55, and similar turbo setups. Manufactured in Thailand by PPRC, it delivers unbeatable durability, heat resistance, and clean welds—ready for street, track, or towing duty.
🔥 Why You’ll Love It
- Premium 304 Stainless Construction – Built for long-term reliability and strength under extreme temps
- High-Mount Turbo Design – Suits F44 / F55 turbos and similar styles
- Ideal for Custom Setups – Perfect base for high-flow performance builds
🔧 Fitment & Specs
- Engine: Isuzu 4JJ1 / 4JJ3 (with egr/dpf deleted)
- Turbo Pattern: F44 / F55 style high-mount (DMAX-style 44mm footprint)
- Material: 304 stainless steel, mild steel flanges, TIG welded
- Origin: PPRC, Thailand
Note: Dump pipe and oil/water line routing will depend on your turbo and vehicle configuration.
✅ Vehicle Compatibility
- Isuzu D-MAX 4JJ1 – 2008–2016 (and later with customisation)
- Holden Colorado RC 4JJ1 – 2008–2012
- Holden Rodeo RA7 4JJ1 – 2007–2008
- Isuzu MU-X 4JJ1 – 2013–2020 (with appropriate mods)
- Mazda BT50 4JJ3 - 2020 - On
- Isuzu D-MAX 4JJ3 – 2020 - On
- Isuzu MUX 4JJ3 - 2020 - On
📝 Install Notes
- Coolant pipe under manifold may require adjustment depending on your application.
- Custom dump pipe usually required for best fit and flow.
- Check studs, gaskets, and heat shielding; replace as needed during install.
- EGR/DPF delete/s required
Need help? Reach out and we’ll point you in the right direction 🤠
💳 Payments & 🚚 Shipping
- 💸 Afterpay, Humm, Klarna & Zip Available
- 🚚 Free Express Shipping Australia Wide
