Is the SSMKHN0291 louder than the twin-muffler WH version?

It runs a single muffler and a tailpipe per side rather than two mufflers, so it's the more open of the dual 2.5in WH Statesman builds. We don't publish a sound level.

Does each bank run its own pipe?

Yes — dual 2.5in means separate left and right 2.5in pipes the length of the car.

SSMKHN0291

Holden WH Statesman V8 2.5in Dual With Extractors Muffler/Tailpipe

Holden WH Statesman V8 2.5in Dual With Extractors Muffler/Tailpipe.

BrandMantaMPI Automotive

Category: Extractors and headers

RRP $4574.88 AUD

In stock at supplier

Request fitted quote Call the workshop

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Holden WH Statesman V8 2.5in Dual With Extractors Muffler/Tailpipe product image

Part specs

SKU: SSMKHN0291
Supplier: MPI Automotive
Category: Extractors and headers
Vehicle fitment: Holden
Stock status: In stock at supplier

Finishing through a muffler and then a tailpipe, the MPI Automotive SSMKHN0291 is the more open of the dual 2.5in WH Statesman systems — a single silencing stage per side rather than two. It runs twin 2.5in pipes the length of the long-wheelbase Holden WH Statesman V8.

What does the muffler-and-tailpipe layout give you?

Each 2.5in side runs a single muffler and then a tailpipe to the rear, rather than a hotdog-and-muffler or a twin-muffler setup. One silencing stage means it's the more open of the dual 2.5in WH Statesman builds. We publish no sound figure and won't quote one; this is simply the layout with the least muffling for the car.

What does dual 2.5in routing suit on the WH Statesman?

Dual keeps each cylinder bank on its own 2.5in pipe to the rear, suiting the long-wheelbase WH Statesman underbody. At 2.5in the bore keeps gas speed up for street response over a heavier car, with the extractors replacing the factory cast manifolds with mandrel-bent tube-and-merge runners.

Will it suit my WH Statesman?

It's listed to fit the Holden WH Statesman V8. The long-wheelbase body and the dual muffler-and-tailpipe routing are the checks, so confirm your exact car with us against the listing before ordering.

What does fitting involve at our Illawarra workshop?

Oak Flats Muffler Men fits WH Statesman systems in the Illawarra. We check the extractor flanges to your heads, route both 2.5in pipes the length of the car, hang the muffler and tailpipe each side and seal the joints for heat cycling. RRP is listed at 4574.88 AUD; fitting is quoted once we've seen the car.

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

Common questions

Is the SSMKHN0291 louder than the twin-muffler WH version?: It runs a single muffler and a tailpipe per side rather than two mufflers, so it's the more open of the dual 2.5in WH Statesman builds. We don't publish a sound level.
Does each bank run its own pipe?: Yes — dual 2.5in means separate left and right 2.5in pipes the length of the car.

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.

Book the right exhaust job without guessing.

Send the vehicle make, model, year, engine, current issue, desired sound or performance goal, and clear photos of the existing exhaust where available.

Unit 2/8 Shaban St, Albion Park Rail NSW 2527 02 4256 3740 sales@mufflermen.com.au Send vehicle details

Holden WH Statesman V8 2.5in Dual With Extractors Muffler/Tailpipe

Part specs

What does the muffler-and-tailpipe layout give you?

What does dual 2.5in routing suit on the WH Statesman?

Will it suit my WH Statesman?

What does fitting involve at our Illawarra workshop?

Common questions

Fitment support across the Illawarra

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Book the right exhaust job without guessing.