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3-inch DPF-back exhaust system for Holden Trailblazer 2.8L including pipes and hangers
3-inch exhaust dump pipe section with welded hanger and flange
Full-length 3-inch exhaust pipe with welded hangers and flanges
3-inch exhaust pipe assembly with stainless steel muffler and welded hangers
3-inch mandrel-bent exhaust tailpipe with welded hanger
3-inch DPF-back exhaust system for Holden Trailblazer 2.8L including pipes and hangers
3-inch exhaust dump pipe section with welded hanger and flange
Full-length 3-inch exhaust pipe with welded hangers and flanges
3-inch exhaust pipe assembly with stainless steel muffler and welded hangers
3-inch mandrel-bent exhaust tailpipe with welded hanger

3” OUTBACK EXHAUST SYSTEM to suit HOLDEN TRAILBLAZER 2.8L LWN DURAMAX 2017 – 2020 (DPF BACK)

Price range: $845.00 through $955.00

SKU: N/A
Product by: Outback Exhausts

This 3″ Outback Exhaust System is engineered for the Holden Trailblazer 2.8 L (2017-2020, LWN Duramax) — a mandrel-bent 409 stainless upgrade, bolt-on with full fitting kit.

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Description

Overview

The 3″ Outback Exhaust System to suit Holden Trailblazer 2.8L LWN Duramax (2017–2020) is an Australian-made, high-flow DPF-back upgrade engineered for improved durability and performance. Constructed from premium 409 stainless steel, this system replaces the factory exhaust from the diesel particulate filter backwards. It uses smooth mandrel bends to reduce restriction and improve gas flow, while maintaining factory mounting points for a hassle-free installation. This system is available with either a resonator or a pipe-only configuration to suit your preferred exhaust note.

Key Features

  • 3″ mandrel-bent tubing for enhanced exhaust flow.
  • Premium 409 stainless steel construction for longevity and heat resistance.
  • Full bolt-on design that uses the vehicle’s existing mounts.
  • Available with a small muffler resonator or straight-through pipe option.
  • Includes clamps and fitting hardware required for installation.
  • Made in Australia and designed specifically for the 2.8L LWN Duramax engine.
  • Backed by a 5-year manufacturer warranty.

Specifications

  • Exhaust diameter: 3″ (76 mm).
  • System type: DPF-back.
  • Material: 409 stainless steel.
  • Engine compatibility: 2.8L Turbo Diesel LWN Duramax.
  • Vehicle type: Holden Trailblazer (wagon, 4WD).
  • Model years: 2017–2020.
  • SKU: OE1616-S.

What’s in the Box

  • Engine pipe section.
  • Muffler pipe or pipe-only section (depending on configuration selected).
  • Tail pipe section.
  • Fitting kit with gaskets and clamps (turbo gasket reuse recommended).

Compatibility

This exhaust system suits the 2017–2020 Holden Trailblazer 2.8L LWN Duramax wagon with 4WD. Designed as a direct DPF-back replacement, it is compatible with all factory components positioned upstream of the diesel particulate filter.

Delivery & Lead Times

Orders typically ship directly from the manufacturer. Exhaust systems may be shipped in one or two boxes depending on size. Additional freight charges may apply for remote regions or bulky residential deliveries. Delivery timeframes vary based on location and courier availability.

Professional Fitting Service on the Sunshine Coast

If you prefer expert installation, Sunshine Coast Diesel Tuning offers professional fitting for all Outback Exhaust systems. Our technicians handle removal of your existing exhaust and correct installation of the new system, ensuring proper alignment, secure fitment, and optimal performance.

Additional information

Weight 25 kg
Dimensions 165 × 38 × 25 cm
SOUND OPTIONS

Resonator / Small Muffler – Quieter like Factory, Straight Pipe / No Muffler – Good Note

Brand Information

  • Outback Exhausts
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