Maxx Performance

Maxx Performance Automotive Performance & Customisation Specialists
Dyno Tuning • Performance Mechanical • Logbook Servicing
Dandenong South, VIC
Est. 2013

All performance upgrades, turbochargers, superchargers, upgraded fuel systems, custom exhaust and metal fabrication, upgraded clutches, tail-shafts and suspension packages. Engine & turbo conversions. Roller & Hub Dyno Tuning.

1999 Subaru WRX STI Revival & Maxx Performance Build This super clean 1999 2 door STI came into Maxx Performance after s...
05/06/2026

1999 Subaru WRX STI Revival & Maxx Performance Build

This super clean 1999 2 door STI came into Maxx Performance after spending the last 10 years off the road. Originally built in the late 2000s the owner wanted to bring the car back to life with a modern refresh and extract some more performance from the legendary EJ207.

Before chasing power we started with a complete mechanical going over ensure the car was ready for the next chapter. We complete a Full service with all engine and driveline fluids replaced, New spark plugs, New fuel filter, Silvers Neomax coilovers and new tyres all round as the others had stat for so long.

With the foundations sorted it was time for some modern performance upgrades.

- Haltech Nexus S2 ECU & wideband
- PSR-R71 GTX Hybrid Turbo
- Radium top feed injector conversion & fuel rails
- 1000cc injectors
- Walbro high flow fuel pump
- Pierburg 3 port boost solenoid
- AVO intake pipe
- Process West top mount intercooler

Once everything was installed we bolted the STI up to our Mainline Hub Dyno and got to work on a custom Maxx Performance Haltech tune.

The result:
249.4awkw on 98

The transformation is night and day! The modern Haltech ECU, updated turbo system, and upgraded fuel system have turned this GC8 into a powerful, reliable package with excellent drivability and response.

Exactly what you want from a neat rare STI: all the character of a classic 2 door Subaru with the refinement and performance of modern tuning technology!

https://www.maxxperformance.com.au/subaru-performance-packages

📍 Maxx Performance
💻 Subaru Specialists | Haltech Tuning | Reliable Results

haltech processwest awkw mainlinehubdyno

1999 Subaru WRX STI Revival & Maxx Performance Build This super clean 1999 2 door STI came into Maxx Performance after s...
05/06/2026

1999 Subaru WRX STI Revival & Maxx Performance Build

This super clean 1999 2 door STI came into Maxx Performance after spending the last 10 years off the road. Originally built in the late 2000s the owner wanted to bring the car back to life with a modern refresh and extract some more performance from the legendary EJ207.

Before chasing power we started with a complete mechanical going over ensure the car was ready for the next chapter. We complete a Full service with all engine and driveline fluids replaced, New spark plugs, New fuel filter, Silvers Neomax coilovers and new tyres all round as the others had sat for so long.

With the foundations sorted it was time for some modern performance upgrades.

- Haltech Nexus S2 ECU & wideband
- PSR-R71 GTX Hybrid Turbo
- Radium top feed injector conversion & fuel rails
- 1000cc injectors
- Walbro high flow fuel pump
- Pierburg 3 port boost solenoid
- AVO intake pipe
- Process West top mount intercooler

Once everything was installed we bolted the STI up to our Mainline Hub Dyno and got to work on a custom Maxx Performance Haltech tune.

The result:
249.4awkw on 98

The transformation is night and day! The modern Haltech ECU, updated turbo system, and upgraded fuel system have turned this GC8 into a powerful, reliable package with excellent drivability and response.

Exactly what you want from a neat rare STI: all the character of a classic 2 door Subaru with the refinement and performance of modern tuning technology!

https://www.maxxperformance.com.au/subaru-performance-packages

📍 Maxx Performance
💻 Subaru Specialists | Haltech Tuning | Reliable Results

Subaru VA WRX Maxx Performance Dyno Tune This Auto 2017 Subaru WRX arrived at Maxx Performance looking for a custom dyno...
29/05/2026

Subaru VA WRX Maxx Performance Dyno Tune

This Auto 2017 Subaru WRX arrived at Maxx Performance looking for a custom dyno tune.

The FA20 platform continues to respond well to tuning and it was good to see what we could do with an Auto WRX in essentially standard form the only modification being a rear resonator delete.

Once bolted up to our mainline hub dyno we pre ran the WRX as arrived at 141.3kw at all four hubs. We then got to work refining the custom calibration and after tuning we finished up at:

164.2kw at all 4 hubs

A result of over 20awkw just in tuning alone with improved response and power across the rev range.

Another WRX dialled in at Maxx Performance

Subaru packages on our website continue to be updated:

https://www.maxxperformance.com.au/subaru-performance-packages

📍 Maxx Performance
💻 Subaru Specialists | Custom Dyno Tuning | Reliable Packages

Subaru WRX STI Maxx Performance Flex Fuel Dyno Retune Having previously fitted a link_ecu G4X plug in ECU along with fle...
28/05/2026

Subaru WRX STI Maxx Performance Flex Fuel Dyno Retune

Having previously fitted a link_ecu G4X plug in ECU along with flex fuel kit this 2008 STI returned for a retune after changing the restrictive box muffler exhaust for a more free flowing rear section.

Once bolted up to our mainline hub dyno we refined the flex tune via the link ecu and also utilised the S drive switch to give the car different boost levels on both 98 and E85 with the flex blending between.

- Built Ej25
- Link G4X plug and play ECU
- ATP Highflow Turbo (iwg)
- PSR Unequal Length Headers
- 3" Exhaust
- 1300cc Injectors
- Walbro Fuel Pump
- 3 Port Boost Solenoid
- Link G4X
- Link CAN Lambda
- Link Flex Fuel
- Link AIT Sensor
- 4 Bar Map Sensor
- process_west Top Mount Intercooler
- Process West Intake Kit
- Process West Dress Up Covers

Ending up with 314.2kw at all 4 hubs on e85
And 270.1kw on 98

A noticeable 30+ kw gain by removing the restrictive exhaust and retuning to suit!

Please see the website for Subaru packages:
https://www.maxxperformance.com.au/subaru-performance-packages

📍 Maxx Performance
💻 Subaru Tuning | Performance Upgrades | Proven Results

Toyota GT86 Maxx Performance Flex Fuel conversion This 2013 Toyota GT86 came into Maxx Performance for a flex fuel conve...
25/05/2026

Toyota GT86 Maxx Performance Flex Fuel conversion

This 2013 Toyota GT86 came into Maxx Performance for a flex fuel conversion and custom Maxx Performance ECUTek RaceROM dyno tune adding performance, flexibility and some extra features to this already fun platform!

Existing mods on this 86:
▪️ PSR Unequal Length Headers
▪️ Full Invidia Q300 exhaust
▪️ Perrin Cold Air Intake

We got to work on fitting and plumbing the flex fuel kit for seamless integration then we bolted the car onto our Mainline Hub Dyno and started the flex fuel tune from 98 through to E85 ensuring smooth transitions and optimal performance across the range.

Ending up with:
128.9 rwkw on 98
137.9 rwkw on E85

Great gains from this small capacity n/a engine with the hassle free power and freedom of flex fuel and the added ecutek racerom features including:
-multi map
-launch control
-flat foot shifting

Topped off with a great handling package this is a fun car to drive!

Please see website for GT86 / BRZ packages:
https://www.maxxperformance.com.au/gt86-brz-1

📍 Maxx Performance
💻 Custom Dyno Tuning | Reliable Packages | Proven Results

Subaru VA WRX Bolt On Upgrades & Maxx Performance Custom Dyno Tune This 2014 Subaru WRX returned to Maxx Performance for...
21/05/2026

Subaru VA WRX Bolt On Upgrades & Maxx Performance Custom Dyno Tune

This 2014 Subaru WRX returned to Maxx Performance for the next stage of upgrades after previously receiving a process_west intake upgrade and custom dyno tune from us.

This time around we fitted:
- Process West Verti-Cooler top mount intercooler
- Invidia 3” turbo back exhaust
- Grimmspeed 3 port boost controller

With the new hardware installed we bolted the WRX up our Mainline Hub Dyno and got to work refining the Maxx Performance custom dyno tune to suit the upgraded setup.

The FA20 platform continues to respond well to quality bolt on modifications with this WRX finishing up at:

217.8kw at all 4 hubs on 98

A great result with improved response, more power across the rev range and a much more exciting drive overall! Just the way a WRX should be!

Another WRX dialled in properly at Maxx Performance
Subaru packages on our website continue to be updated:

https://www.maxxperformance.com.au/subaru-performance-packages

📍 Maxx Performance
💻 Subaru Specialists | Custom Dyno Tuning | Reliable Packages

Another Y62 Patrol in for a Custom Maxx Performance Dyno tune with multi map tune options via ECUTEK ( including transmi...
19/05/2026

Another Y62 Patrol in for a Custom Maxx Performance Dyno tune with multi map tune options via ECUTEK ( including transmission tune )

This Y62 arrived already fitted with Pacemaker headers and full exhaust including high flow cats.

We fitted a high flow K&N air filter and bolted the big Patrol up to our Mainline Hub Dyno and got to work developing a tailored calibration to the factory engine and transmission ecu seamlessly improving power, response and overall drivability.

Ending up with solid 285rwkw

- Custom Maxx Performance ECUTek Multi
Map Engine Tune
- Maxx Performance ECUTek Transmission
Tune
- Selectable Multi Map Tune:
98 Power, 95 Towing, 91 bad fuel/ limp
home, No Start/ immobilizer all
selectable live via factory steering wheel
buttons.

- Noticeable power, drivability and efficiency improvements.
- Improved shift logic for crisper shifts and improved torque converter lockup strategy

Another Y62 dialled in right while retaining the benefits of factory ECU integration!

👉 Check out our Y62 packages or get in touch via our website:
https://www.maxxperformance.com.au/y62patrol1


FG G6E Turbo Maxx Performance Custom Dyno Tune This G6E Turbo came into Maxx Performance for one of our custom Multi Map...
19/05/2026

FG G6E Turbo Maxx Performance Custom Dyno Tune

This G6E Turbo came into Maxx Performance for one of our custom Multi Map Dyno tunes

Already having the usual supporting mods
- Battery relo and turbo side intake
- Upgraded 1000cc injectors
- High flow Walbro fuel pump
- High flow cat
- Upgraded Intercooler

Before the dyno we fitted a set of genuine Ford spark plugs gapped to suit then we bolted the car up to our Mainline Hub Dyno and got to work on the custom multi map dyno tune refining both the engine tune and ZF transmission calibration. As part of the multi tune there are multiple tunes selectable via the factory steering wheel controls. EG: High boost, low boost, valet mode and ghost cams.

Ending up with 306.4rwkw

A responsive setup still retaining the factory turbo with improved drivability and the added benefit of multi map support!

Another FG dialled in at Maxx Performance please see our website below for both turbo and N/A falcon packages:

https://www.maxxperformance.com.au/maxx-packages-update

📍 Maxx Performance
💻 Barra Specialists | Custom Tuning | Proven Packages

2025 GR86 Maxx Performance Dyno Tune This 2025 Toyota GR86 came into Maxx Performance for a custom ECUTek dyno tune arri...
15/05/2026

2025 GR86 Maxx Performance Dyno Tune

This 2025 Toyota GR86 came into Maxx Performance for a custom ECUTek dyno tune arriving standard apart from the hard to find GR Performance intake!

We bolted it up to our mainline hub dyno and pre ran the car as arrived for 147rwkw.

From there we got to work developing a tailored Maxx Performance ECUTek calibration incorporating a range of RaceROM features including Flat foot shifting, Launch control and Multi map support.

Once tuning was complete the GR86 finished up at:
163rwkw

A great gain from tuning a near standard small capacity N/A engine with torque also increasing by around 10% making the car noticeably more responsive and enjoyable to drive ready for its next track day!

Another GR platform dialled in properly at Maxx Performance please see website below for our GR86 packages

https://www.maxxperformance.com.au/gt86-brz

📍 Maxx Performance
📈 Custom Dyno Tuning | Reliable Packages | Proven Results

We had this super clean Y62 Patrol for a Custom Maxx Performance Dyno tune with multi map tune options via ECUTEK ( incl...
13/05/2026

We had this super clean Y62 Patrol for a Custom Maxx Performance Dyno tune with multi map tune options via ECUTEK ( including transmission tune )

This Y62 arrived to us ready for a tune with
Pacemaker headers and exhaust including high flow cats and a Scalzo 4x4 airbox and snorkel combo.

Focused on optimising the factory ECU to tie in with the existing mods we bolted the Patrol up to our Mainline Hub Dyno and got to work developing a tailored calibration to the engine and transmission improving power, response and overall drivability.

A good result from the tune ending up with 281.5rwkw

- Custom Maxx Performance ECUTek Multi
Map Engine Tune
- Maxx Performance ECUTek Transmission
Tune
- Selectable Multi Map Tune:
98 Power, 95 Towing, 91 bad fuel/ limp
home, No Start/ immobilizer all selectable
live via factory steering wheel buttons.

- Noticeable power improvements across the entire rev range
- Improvements to drivability and efficiency
- Crisper shifts, improved shift logic and
converter lockup strategy

Another Y62 dialled in and performing exactly how it should. ( and how good does it look in Hermosa blue! )

👉 Check out our Y62 packages or get in touch via our website:
https://www.maxxperformance.com.au/y62patrol1


Address

52 Amberley Crescent
Dandenong, VIC
3175

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+61387591301

Website

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