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View partFX-303HPC-B
Holden HQ HJ HX HZ 5.0L EFI Conversion 1 3/4in 4 - 1, 3in Outlets Extractor - Ceramic
MPI Automotive Holden HQ HJ HX HZ 5.0L EFI Conversion 1 3/4in 4 - 1, 3in Outlets Extractor - Ceramic Coated (Black).
BrandMantaMPI Automotive
Category: Extractors and headers
RRP $2145.99 AUD
In stock at supplierAfterpay, Zip Pay & Zip Money available
Part specs
- SKU
- FX-303HPC-B
- Supplier
- MPI Automotive
- Category
- Extractors and headers
- Vehicle fitment
- Holden
- Stock status
- In stock at supplier
The MPI Automotive FX-303HPC-B is a ceramic-coated black extractor listed to fit Holden HQ, HJ, HX and HZ models running a 5.0L EFI conversion. It uses 1-3/4in primaries in a 4-into-1 design with 3in outlets.
What does this extractor cover?
This is the header section for a 5.0L EFI engine fitted into the classic HQ-HZ Holden range — an engine-conversion extractor rather than a factory-replacement one. It runs 1-3/4in primary tubes merging 4-into-1 into 3in outlets, so it's sized for a worked V8 rather than a mild rebuild. The 'HPC-B' designation reflects its ceramic coating in black, which MPI applies for heat management and corrosion resistance on the exposed tubing.
What is a ceramic-coated extractor and what does it change?
An extractor replaces the cast factory manifold with separate tubular primaries that merge downstream — here 4-into-1 with 3in outlets. The ceramic coating is a surface treatment baked onto the steel rather than bare metal or paint; it's there to hold heat inside the pipe and slow the surface rust that plain headers pick up in an engine bay. On a conversion like dropping a 5.0L EFI into an HQ-HZ, the extractor also handles the geometry difference between the newer engine and the older chassis.
Will it suit my HQ-HZ Holden?
It's listed to fit the Holden HQ, HJ, HX and HZ bodies set up for the 5.0L EFI conversion. Because this is a conversion-specific part, the engine mounts, steering and chassis details of your particular build matter — send us photos and the conversion spec and we'll confirm the FX-303HPC-B suits it. Years aren't published beyond the body codes, so we work from the build rather than a model year.
What does fitting involve at our Illawarra workshop?
Oak Flats Muffler Men supplies and fits conversion extractors like this across the Illawarra. Conversions rarely bolt up blind, so we get the car on the hoist, check the 1-3/4in primaries clear your steering and crossmember, and pipe the 3in outlets into the rest of your system. The RRP is listed at $2145.99. We confirm the exact build with you before ordering.
Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.
Common questions
- What does the ceramic coating do on the FX-303HPC-B?
- It's a baked-on surface treatment that helps hold heat in the pipe and resists corrosion on the exposed tubing. On this part it's finished in black.
- Does this suit a standard HQ-HZ?
- No — it's listed for a 5.0L EFI conversion into the HQ-HZ range, not the original engine. Confirm your conversion spec with the workshop.
- What size are the primaries and outlets?
- The FX-303HPC-B runs 1-3/4in primaries in a 4-into-1 layout with 3in outlets, as listed.
Fitment support across the Illawarra
Fitment checks near you across 18 Illawarra suburbs, from Oak Flats and Shellharbour to Wollongong and Kiama.Show nearby fitment areasCollapse section
Oak Flats Muffler Men can check this part against supplier specs, part number, image, RRP and vehicle details for customers around Oak Flats, Shellharbour, Wollongong, Dapto, Albion Park, Kiama and the northern suburbs.
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