FX-501

Holden V8 253 - 308 Blockhugger Extractor

MPI Automotive Holden V8 253 - 308 Blockhugger Extractor.

BrandMantaMPI Automotive

Category: Extractors and headers

RRP $706.39 AUD
In stock at supplier
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Holden V8 253 - 308 Blockhugger Extractor product image

Part specs

SKU
FX-501
Supplier
MPI Automotive
Category
Extractors and headers
Vehicle fitment
Holden
Stock status
In stock at supplier

The MPI Automotive FX-501 is a block-hugger set of extractors listed to fit the Holden V8 253 and 308 engines. Block-huggers tuck the primaries in close to the block, so it's a front-of-system header sized for a tight engine bay.

What does this set of extractors cover?

The FX-501 is the extractor stage for the Holden 253 and 308 V8 — tubular headers that bolt to the heads in place of the cast manifolds and route the primaries tight against the block. They cover the run from the head flanges to the collector; any pipework, converter or mufflers behind them are separate parts. This listing is the headers on their own.

What are block-hugger extractors and what do they change?

Block-huggers are a header design that keeps each cylinder's primary pipe tucked in close to the engine block rather than reaching out wide. That compact routing is the point: it's the layout that clears chassis rails, steering and engine mounts in older or swapped-in V8 installs. The honest trade-offs versus a long-tube header are around packaging rather than outright flow, and as with any tubular set the exhaust note changes and sensors or shielding may need carrying across. We publish no power or sound figures for the FX-501.

Will it suit my Holden V8?

The FX-501 is listed to fit the Holden 253 and 308 V8; treat that as a starting point, not a guarantee, because catalogue feed data can be imperfect. The listing is against the Holden V8 engine rather than one specific model, which suits the many cars and swaps these engines ended up in, so confirm your exact install and bay with the workshop before ordering.

What does fitting involve at our Illawarra workshop?

Oak Flats Muffler Men supplies and fits block-hugger extractors like the FX-501 in-house across the Illawarra. It is head-end labour: freeing the original manifolds, fitting the close-routed primaries, transferring any sensors and shields, and checking clearance and gasket seal at both heads. It carries a recommended retail price of $706.39, supplied by MPI Automotive; if it is not on the shelf we order it in.

Stocked and fitted by Oak Flats Muffler Men, the Illawarra exhaust and 4x4 specialist in Oak Flats, NSW.

Common questions

What does block-hugger mean?
It's a header design that routes the primary pipes tight against the engine block to clear chassis rails and steering in tight bays — useful in older Holdens and engine swaps.
Will the FX-501 fit my car?
It's listed to fit the Holden 253 and 308 V8. Because these engines went into many cars and swaps, confirm your exact install with the workshop before ordering.
Is any pipework included?
No — the FX-501 is the extractor stage only. Pipes, converter and mufflers behind it are separate parts.

Fitment support across the Illawarra

Fitment checks near you across 18 Illawarra suburbs, from Oak Flats and Shellharbour to Wollongong and Kiama.
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