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
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

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
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
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
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
Get a Quote
Tell us about your vehicle and what you're looking to achieve — we'll get back to you with honest advice and a quote.
Ready to Unlock More Performance?
Call Stealth Installs today or send us an enquiry — we're based in Salisbury, Adelaide.