Isuzu D-Max MY21+ 4JJ3 3L 3" & 3.5" DPF-Back Exhaust System

For Isuzu D-Max MY21+ 3L turbo diesel owners who want better flow and a deeper note while keeping the factory DPF in place. This 3" and 3.5" DPF-back system is built for the 4JJ3-TCX 4-cylinder diesel - emissions compliance retained.

CNC mandrel-bent pipework with 10mm laser-cut flanges. Bolt-on - no cutting, no welding, no ECU remap or dyno tune.

Product Specifications

  • CNC mandrel-bent 3" (76mm) and 3.5" (89mm) pipework
  • 10mm thick laser-cut flange plates
  • Heavy-duty laser-cut hanger brackets
  • Made in Australia

Available In

  • Aluminised steel
  • 409 grade stainless steel

Features

  • Direct fit for Isuzu 4JJ3-TCX 3L 4-cylinder diesel engine
  • DPF-back design retains factory DPF for emissions compliance
  • Improved exhaust flow and throttle response
  • Enhanced fuel economy and towing performance
  • Deeper, more refined exhaust tone
  • Bolt-on installation - no ECU remapping or dyno tune required

Choose Your Configuration

All configurations are DPF-back and retain the factory DPF:

  • Hotdog Resonator
  • Muffler
  • Pipe Only

Looking for the DPF-delete turbo-back option? See the Turbo Back (DPF Delete) exhaust system options.

Fitment

  • Vehicle: Isuzu D-Max
  • Engine: 3L turbo diesel, Isuzu 4JJ3-TCX 4-cylinder
  • Year: MY21 onwards
  • DPF status: DPF-equipped - this system retains the factory DPF

Warranty

Ignite stainless steel exhaust systems are backed by a 10-year warranty. Aluminised steel options are backed by a 2-year warranty.

Warranty

Our 409 stainless steel and aluminised steel IGNITE Exhausts are backed by a 10 year warranty and 2 year Australian manufacturer warranty respectively. 

Each product we sell comes with automatic guarantees that cannot be excluded under Australian law.

Should the item you receive be faulty in any way, please contact us and we"ll make sure the correct process is followed so the issue can be addressed as quickly as possible for you.

Varies between options.

Brand IGNITE Exhausts
Shipping Weight 24.0000kg
Shipping Width 0.250m
Shipping Height 0.390m
Shipping Length 1.300m
Shipping Cubic 0.126750000m3
  1. Remove rear tail pipe and muffler assembly from the vehicle. 
  2. Remove centre connecting and DPF pipe from the vehicle.
  3. Using the factory DPF flange nuts fit the DPF flex pipe and tighten finger tight.
  4. Fit the connecting pipe to the DPF pipe and tighten finger tight with the supplied 3/8 UNC nuts.
  5. Fit the pipe only/resonator or muffler section to the connecting pipe and tighten finger tight with the supplied 3/8 UNC nuts.
  6. Fit the tailpipe to the pipe only/resonator or muffler section and tighten finger tight with the supplied 3/8 UNC nuts.
  7. Check over exhaust making sure everything is aligned and then tighten all bolts and nuts from the front to back of the vehicle. If you have any fitting/alignment issues, please call 1300 12 13 12 as soon as possible to avoid damaging the exhaust system.
  8. Enjoy your IGNITE exhaust!

Vehicle Applications

Make Model Year Start - Year End Series Body Type Engine Details Drivetrain

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