Exhaust by Brand

Isuzu Exhaust Pipe & Muffler Fabrication in Malaysia

Isuzu sells trucks here under three families and more than twenty chassis designations. NLR, NMR, NPR, NQR, FRR, FSR, FVR, FXZ, and half of them in PRO, Smoother, Auto and Crew variants. If ordering an Isuzu exhaust pipe by phone has ever gone badly, send us the old part instead. We fabricate to match in Sungai Buloh, Selangor.

ELFFORWARDGIGANPR / NQRFVRReady Stock

3xlongerlifespan

Custom underslung muffler fabricated for Isuzu NPR lorry
Isuzu Exhaust Fabrication  •  ELF / FORWARD / GIGA  •  NLR NMR NPR NQR  •  FRR FSR FVR  •  FXZ CYZ GXR EXZ  •  Underslung Mufflers  •  Built in Malaysia Since 1995  •  Isuzu Exhaust Fabrication  •  ELF / FORWARD / GIGA  •  NLR NMR NPR NQR  •  FRR FSR FVR  • Isuzu Exhaust Fabrication  •  ELF / FORWARD / GIGA  •  NLR NMR NPR NQR  •  FRR FSR FVR  •  FXZ CYZ GXR EXZ  •  Underslung Mufflers  •  Built in Malaysia Since 1995  •  Isuzu Exhaust Fabrication  •  ELF / FORWARD / GIGA  •  NLR NMR NPR NQR  •  FRR FSR FVR  • 

01.

Matched to Your Chassis Code

We work from your part or your measurements, so ELF versus FORWARD routing differences never become your problem.

02.

Built for Tropical Duty

Heavier-gauge material and corrosion-resistant options for trucks living in heat, rain and salt air.

03.

Sealed at Every Joint

No blow-by at the manifold, no soot streaks down the chassis rail.

04.

1 to 3 Day Turnaround

Fabricated in Sungai Buloh, delivered nationwide.

Identify Your Truck

Find Your Isuzu by GVW, Not by Guesswork

The fastest way to identify what you need is gross vehicle weight. Isuzu’s Malaysian range is organised around it, and the exhaust layout follows the same logic: light-duty ELF units run a compact underslung system, FORWARD units run a longer mid-chassis silencer, GIGA units are usually vertical.

FamilyModelGVW / GCWTypical exhaust layout
ELFNLR 130, NLR PRO4,100 to 4,800 kgShort engine pipe, compact underslung muffler
ELFNMR 125, NMR Crew5,100 to 5,500 kgUnderslung box muffler, single centre pipe
ELFNPR 150, NPR PRO, NPR 1557,500 kgEngine pipe with flexi, mid-mount silencer
ELFNQR PRO, NQR 1558,500 kgLonger mid-section, larger silencer body
ELF 4×4NPS, NPS 4×45,000 to 7,500 kgRaised routing, extra heat shielding
FORWARDFRR 21011,000 to 11,900 kgFull mid-chassis silencer, dual hangers
FORWARDFSR 21013,500 kgExtended centre pipe, heavy bracketry
FORWARDFVR 240, FVR 280, FVR 30019,000 kgLarge-bore silencer, optional vertical
GIGAFXZ 36024,000 kgVertical stack or heavy underslung
GIGACYZ 42025,000 kgVertical stack with elbow and cap
GIGA
prime mover
GXR 36039,000 kg GCWVertical stack, cab-side mounting
GIGA
prime mover
EXR 420, EXZ 46045,000 to 60,000 kg GCWLarge-bore stack, full heat shielding

If your truck isn’t on this list because it’s older or a grey import, that’s fine. Fabrication from a physical sample works regardless of what the catalogue says.

Isuzu uses a small number of engine families across a wide model range: 4JJ1 and 4HK1 across most of the ELF and lower FORWARD range, 6HK1 under the heavier FORWARD units, 6UZ1 in GIGA. The practical consequence is that flange patterns repeat across models. An NPR and an NQR often share manifold geometry even though the rest of the system differs, so when we recognise the engine we usually recognise the flange.

Isuzu NQR engine pipe with new flexible joint

Components

What We Build for Isuzu

Engine Pipes with Flexi

From the turbo down. On NPR and NQR units this is our highest-frequency Isuzu job, and the flexible section is almost always what failed first.

Underslung Box Mufflers

Built to your original external dimensions so existing straps and mounting points line up. A muffler 30 mm too long means drilling new brackets.

Mid-Chassis Silencers

For FORWARD units. Larger bodies with reactive internal baffling, sized so backpressure stays within specification.

Vertical Stacks for GIGA

Full assemblies including elbow, mounting bracket, heat wrap and rain cap for prime mover configurations.

Re-Routed Pipework

For body swaps, chassis extensions, tipper conversions and crane installations, where the standard path no longer clears the new bodywork.

Clamps, Flanges & Hangers

Gaskets and hardware supplied with the job, so the fitter isn’t hunting for parts halfway through the install.

From Our Workshop

Recent Fabrication Work

Parts built to customer samples at our Sungai Buloh workshop. Send a photo of your old unit on WhatsApp and we will tell you what we can do with it.

Underslung box muffler fabricated for Isuzu NPR

Underslung box muffler, built to sample

Isuzu engine pipe with flexible joint

Engine pipe with flexible joint

5 inch inlet pipe with flare end

5" inlet pipe with flare end

Vertical exhaust stack for Isuzu GIGA prime mover

Vertical stack for GIGA prime mover

The Case for Fabrication

Why Not Just Buy the Original Part?

Tong Yinn fabricator welding an Isuzu exhaust pipe seam in Sungai Buloh

Isuzu has a good dealer network in Malaysia and genuine parts are more available than for some European brands. For a current-model NPR sitting in a dealer’s parts store, buying original often makes sense.

Fabrication wins everywhere else. An ELF box muffler and a GIGA vertical stack are jobs of completely different scale, so we quote per part. Photograph what you have, send it on WhatsApp, and you’ll usually get a figure back the same day.

OLDER TRUCKS

The Catalogue Ran Out

A 2010 NQR still earning a living has a shrinking parts catalogue behind it. We don’t care how old the truck is.

MODIFIED

No Part Number Exists

Extend a chassis, fit a longer body or install a crane and the factory exhaust no longer fits. There is no part number for a truck that has been changed.

FLEET

Stop the Repeat Job

If you run fifteen NPRs and replace three exhausts a year, moving to stainless 304 turns a recurring annual job into something you do once.

30+

YEARS

Experience in exhaust fabrication

600+

CLIENTS

Satisfied across Malaysia

3x

LONGER LIFESPAN

1 Tong Yinn part = 3 others

1–3

DAYS

Typical fabrication turnaround

Ready-stock Isuzu exhaust pipes at Tong Yinn Metal Sungai Buloh

No Time to Wait

Ready Stock, Emissions and Coverage

We keep ready stock of the most frequently requested Isuzu pipe diameters and silencer bodies, weighted towards NPR and NQR because that’s where the volume is. Klang Valley workshops regularly send a photo in the morning and collect the part the same week.

  • Bulk supply to resellers and parts traders on a standing specification
  • DPF and SCR hardware stays in place, we build the pipework around it
  • We will not quote for deleting emissions equipment. It is illegal in Malaysia
  • Backpressure and regeneration faults checked against pipe sizing first
  • Klang Valley direct: KL, Shah Alam, Klang, Puchong, Rawang, Kajang
  • Shipping to Penang, Ipoh, Melaka, Johor Bahru, Kuantan, Kota Kinabalu, Kuching

Mixed fleet? Most Malaysian operators running Isuzu also run Hino. See our Hino exhaust systems page, or the full custom exhaust fabrication overview.

Common Questions

Isuzu Exhaust FAQ

All of them, current and discontinued. ELF (NLR, NMR, NPR, NQR, NPS), FORWARD (FRR, FSR, FVR) and GIGA (FXZ, CYZ, GXR, EXR, EXZ), plus older models no longer sold new. If you can send the part or the measurements, we can build it.
Yes. Send a photo of the old part on WhatsApp with a tape measure beside it, and tell us the GVW from the chassis plate. Those two things are almost always enough.
Yes, one of our most common Isuzu jobs. We build to the original external dimensions so factory straps and brackets still fit, which means no drilling new mounting holes.
Boleh. Hantar gambar part lama atau ukuran melalui WhatsApp. Kami fabricate ikut spesifikasi asal, siap dalam 1 hingga 3 hari bekerja.
Yes. Chassis extensions, longer bodies, crane installations and tipper conversions all change the exhaust path, and there is no factory part for a modified truck. We measure the new routing and fabricate to suit.
No. It’s illegal in Malaysia and we don’t offer it. We’ll fabricate the pipework before and after the DPF or SCR unit, and if you have backpressure or regeneration faults we’ll check whether badly sized pipework is contributing.

Get a Quote Today

Send Us Your Isuzu Part

A photo, a sketch, a measurement, or the old unit itself. Whichever one you have, we can work from it. Most quotes come back the same working day.