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

Designed, engineered and manufactured at the Ignite facility in Sunbury, Victoria. This 3" and 3.5" DPF-back system is engineered for the Isuzu 4JJ3-TCX 3L 4-cylinder diesel in the D-Max MY21+ - picking up from the factory DPF and routed to OEM mounting points.

How It's Made

  • Pipework: CNC mandrel-bent 3" (76mm) and 3.5" (89mm) tubing for consistent internal diameter through every bend
  • Flanges: 10mm thick laser-cut plates for sealing surface flatness and long-term durability
  • Hangers: Heavy-duty laser-cut hanger brackets matched to factory mount locations
  • Origin: Made in Australia

Specifications

  • System type: DPF-back (retains factory DPF)
  • Pipe configuration: 3" (76mm) and 3.5" (89mm)
  • Pipe construction: CNC mandrel-bent
  • Flange plates: 10mm laser-cut
  • Hanger brackets: Heavy-duty laser-cut
  • Country of manufacture: Australia (Sunbury, VIC)

Material Options

  • Aluminised steel - cost-effective option. Backed by a 2-year warranty.
  • 409 grade stainless steel - higher corrosion resistance for longer service life in Australian conditions. Backed by a 10-year warranty.

Choose Your Configuration

  • Hotdog Resonator
  • Muffler
  • Pipe Only

For the DPF-delete turbo-back variant, 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 is DPF-back and retains the factory DPF

Warranty

  • 409 grade stainless steel: 10-year manufacturer warranty
  • Aluminised steel: 2-year manufacturer warranty
SKU dmax3dpfmy21
Brand IGNITE Exhausts
Shipping Weight 24.0000kg
Shipping Width 0.250m
Shipping Height 0.390m
Shipping Length 1.300m
Shipping Cubic 0.126750000m3

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  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 142 000 as soon as possible to avoid damaging the exhaust system.
  8. Enjoy your IGNITE exhaust!