Performance Upgrades

Exhaust, Intake, Turbo & More — Built for Diesel 4WDs

Performance Upgrades — Salisbury, Adelaide

At Stealth Installs, we specialise in performance upgrades for diesel 4WDs, utes, and light commercial vehicles. Whether you're after more power for towing, better efficiency for long-range touring, or a full performance build — we have the experience and equipment to make it happen.

We take a transparent, honest approach to every job. We'll tell you exactly what a modification will and won't do for your vehicle before any work begins — so there are no surprises.

What We Do

Exhaust Systems

Exhaust Systems

Upgrade your exhaust for improved flow, better power delivery, and a stronger exhaust note. We install performance cat-back and turbo-back systems suited to your vehicle and use case.

  • Performance cat-back exhaust systems
  • Turbo-back exhaust upgrades
  • Improved engine efficiency
  • Increased exhaust flow
  • Smoother power delivery
  • Better exhaust note
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Intake System Upgrades

Intake System Upgrades

Let your diesel breathe with a performance intake upgrade. More air means more power and efficiency — ideal for towing, touring, or just getting the most out of your vehicle.

  • Cold air and performance intake kits
  • Increased air volume to the engine
  • Improved turbo spool & response
  • Better fuel economy
  • Enhanced turbo sound

Intercooler Upgrades

Cooler, denser air means more power and better reliability under load. An intercooler upgrade is one of the best bang-for-buck performance modifications for turbo-diesel 4WDs.

  • Upgraded intercooler cores
  • Improved charge air cooling
  • Reduced heat soak under load
  • Greater power consistency
  • Better performance when towing
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Turbo Upgrades

Whether you need a rebuild, replacement, or full turbo upgrade, we have you covered. We work closely with Adelaide Turbo Services to deliver expert turbo solutions tailored to your vehicle.

  • Turbo rebuilds & replacements
  • Upgraded turbocharger fitment
  • Improved boost & response
  • Reduced turbo lag
  • Greater power output
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Transmission Coolers

A must-have for any 4WD that tows or works hard. Protect your transmission from heat damage with a dedicated external cooler — cheap peace of mind that pays for itself.

  • Dedicated external transmission cooling
  • Lower transmission oil temperatures
  • Protection against catastrophic failure
  • Extended transmission life
  • Essential for towing vehicles
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Heavy Duty Clutch Upgrades

Put the power down properly with a clutch upgrade that can handle the demands of a modified or heavily loaded vehicle. Essential for vehicles used for towing or with significant power upgrades.

  • Heavy duty clutch kits
  • Upgraded pressure plates & discs
  • Suitable for towing & modified vehicles
  • Improved clutch feel & engagement
  • Longer service life under load

Brands We Work With

We source performance parts from trusted brands and work with specialist partners to ensure your build is done right.

Pacemaker

Australian-made headers and exhaust systems with a strong performance heritage

King Brown

Premium performance exhausts built tough for Australian conditions

Manta Performance

High-quality stainless steel exhaust systems for performance and diesel vehicles

High Performance Diesel

Specialist diesel performance parts and solutions

G-Turbo

Performance turbocharger upgrades and solutions

Adelaide Turbo Services

Our trusted turbo specialist partner — rebuilds, replacements, and full turbo upgrades

Frequently Asked Questions

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Tell us about your vehicle and what you're looking to achieve — we'll get back to you with honest advice and a quote.

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Ready to Unlock More Performance?

Call Stealth Installs today or send us an enquiry — we're based in Salisbury, Adelaide.

Call us direct

08 7133 5845

Mon–Fri 8am–5pm