2.5 D4D S/C Mods

Discuss modifications on your new shape Hilux here. 2005 till current. Also called the Vigo in other countries.
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Bean
High Range 2WD
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Posts: 13
Joined: Wed Dec 09, 2009 2:53 am
Town: Secunda
Vehicle: Toyota Hilux 2.5 D4D S/C
Real Name: Attie
Location: Secunda

Hi,

I just bought a 2010 2.5 d4d SRX S/C 4x4. Great vehicle accept for the power. So I read a little bit on the mods and decided to go for a Chip and inter cooler with de cat. So the first bit arrived today.. the inter cooler. I had a look at a couple of chips, did anyone ever fitted these plug an play chips. Where I live we do not have much options so I was thinking of installing myself. Would like to get someones opinion who did it himself as it seems easy enough just to plug it in. Will post some pics when the cooler is fitted..

Thanks,
Attie
Ou vale1
LR4WD, Lockers, Crawler Gears
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Posts: 1161
Joined: Fri Jun 04, 2010 5:57 pm
Town: Heidelberg
Vehicle: Hilux 2.5 D4D
Real Name: Koos
Location: Heidelberg

I fitted the Racechip Pro and a huge improvement. Takes 2 minutes to fit.
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ChrisF
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Joined: Thu Sep 17, 2009 2:56 pm
Town: inniedorp
Vehicle: Toy
Real Name: Chris

Attie welcome to the forum.

I also have a 2010 2,5 SRX. End 2013 I had the following done:

- replace the massive silencer box with a freeflow box. NO changes to the exhaust pipe, as it is already a nice thick pipe. You will be pleasantly surprized by the improvement !! The turbo spools up MUCH easier, and it keeps going further into the rev range.

- I then had an intercooler fitted.

- the next morning I took it to have a Uin-chip fitted and to have it dyno tuned. :) :)


Personally I wont use a pug and play chip on the 2,5 - for the following reason. The whole idea of a chip, and specifically dyno tuning is to get the best out of your setup, ie to fine tune it from the generic setup the factory installs. Now if you look at the 3,0 D-4D the chip guys pretty much know what can be improved, and it is possible to provide a generic chip, even if this still may only get you partly to the potential best result of a dyno tune. Now think again about the 2,5 .... by the time we add a chip there are just TOOOOO many variables. What does your exhaust and back pressure look like, okay the that of the 2,5 ? What intercooler did you install ... ? It would be more than dumb luck if you found a pre-programmed chip that actually fits your needs, for the 2,5.


Also when having it dyno tuned you can speak to the tuner and get a custom tune for your needs. Izac at Dynotech tuned mine to be "okay" at low speed, and to unleach the horses when I floor it. Thus I actually do have better fuel consumption below 110km/h, but if I floor it there is enough power to pass a truck.
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Bean
High Range 2WD
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Posts: 13
Joined: Wed Dec 09, 2009 2:53 am
Town: Secunda
Vehicle: Toyota Hilux 2.5 D4D S/C
Real Name: Attie
Location: Secunda

Hi, thanks for the info Chris. it`s a cirrus cooler kit. Still have to install it. Did you make any changes on your down pipe from the turbo? I also read that it is worth it to remove the catalyst box as this also cause a lot of back pressure. I might just opt for a good complete free flow system. Looks like I will have to make a trip to JHB or PTA for the chip then, makes sense to get it dyno tuned properly.

I also received my 550mm light bar. Still deciding where i want to fit it. Will keep posting as I go along..
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ChrisF
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Attie I had a LONG chat with Hoppy (thee best Hilux wisperer, and a member here) about removing the cat, and going bigger with the pipes. Yes, one could get another half a horse ... but for the effort and money it is not worth it. Removing that one box at the back is only a few hundred rand and by far the bulk of the power you will gain from the exhaust. Granted if you throw a few thousand at it you could get a bit more power ...


No, we kept the downpipe the same .... IF I went the complete exhaust route this would have been on my shopping list.


Something to consider - have a long hard look at the front of your vehicle. HOW will the air reach the intercooler ? I had to drill a series of holes in the aftermarket bumper to ensure proper airflow over the intercooler. All the effort means nothing if the intercooler cant cool the air down .... With this in mind plan the placement of the lightbar ..... oooops :)
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Bean
High Range 2WD
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Posts: 13
Joined: Wed Dec 09, 2009 2:53 am
Town: Secunda
Vehicle: Toyota Hilux 2.5 D4D S/C
Real Name: Attie
Location: Secunda

Thanks for all the info Chris, much appreciated. I installed my Racechip pro yesterday and did a 63mm freeflow today.. have a major difference in the response of the Hilux, will still hav to take it for a dyno ta have the exact figure but no complaints so far.

I fitted the light bar but my honnest oppinion is I don't like the look very much, will add some pics thinking I must go back to the spots. For the intercooler it is a bit of a challenge for a DIY but am working on it.

The next in line is a snorkel, picking it up on Thursday.
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Bean
High Range 2WD
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Posts: 13
Joined: Wed Dec 09, 2009 2:53 am
Town: Secunda
Vehicle: Toyota Hilux 2.5 D4D S/C
Real Name: Attie
Location: Secunda

Snorkel and light bar fitted...
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FIRSTGEER
LR4WD, Lockers, Crawler Gears
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Posts: 1540
Joined: Thu Sep 30, 2010 6:00 am
Town: King WilliamsTown
Vehicle: 2,5 D4D Singlr Cab 4X4 Full OME suspension. snorkel.GMA aftermarket bullbar.
Real Name: Tony Geer
Club VHF Licence: HC 109

Nice looking hilux you have there Attie
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Bean
High Range 2WD
High Range 2WD
Posts: 13
Joined: Wed Dec 09, 2009 2:53 am
Town: Secunda
Vehicle: Toyota Hilux 2.5 D4D S/C
Real Name: Attie
Location: Secunda

FIRSTGEER wrote:Nice looking hilux you have there Attie
Thanks.. :thumbup:
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Haboob
Monster Truck
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Posts: 2495
Joined: Thu Aug 11, 2011 9:57 pm
Town: King Williams Town
Vehicle: Hilux
Real Name: Edge
Club VHF Licence: HC129

Looking good Attie...
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HABOOB means "Dust Storm"
Thabogrobler
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Did you do the exhaust from the turbo down?
'02 KZ 'Lux. Cooled. Chipped. Onca'd. Cherished!

If you are a diesel fan, raise your hand.
If you aren't raising your hand, raise your standards!

A 4x4 is merely a machine that enables you to get stuck further away from civilization.
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Bean
High Range 2WD
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Posts: 13
Joined: Wed Dec 09, 2009 2:53 am
Town: Secunda
Vehicle: Toyota Hilux 2.5 D4D S/C
Real Name: Attie
Location: Secunda

Hi Thabo, sorry for the late reply, am out of the country. Yes, I did the down pipe with full system.
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DawidT
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Posts: 52
Joined: Fri Feb 28, 2014 10:51 am
Town: Witbank
Vehicle: Toyota Hilux, 2.5D4D, DC 4X4
Real Name: Dawid
Location: Witbank

Great looking Hilux!!! I did very similar to what you have done - and all of it in Witbank including dyno, just round the corner from you. Lots more power and can also overtake trucks now!
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4x4BEES
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Town: Brackenfell
Vehicle: Hilux 4.0V6
Real Name: Kevin

Haboob wrote:Looking good Attie...
+1 :thumbup: :thumbup:
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MBrown
Newbie
Posts: 9
Joined: Tue Aug 18, 2015 6:08 pm
Town: Swartberg
Vehicle: Hilux 2.5
Real Name: Malcolm

Iv also got a racechip . Just the standard one set on stardard settings , 2 mins to fit.
Question .. what about a performance air filter ? K N have got one hat fit in the hilux . Is it worth it ? Will it effect the engine in the long term . 90% of my driving is dirt roads .
I need as much power as i can get because i have now got 31x10.5 R15 M/T tyres. 4th is my new 5th . fuel consumption is down to 8.8km/L . but as long as they keeping making diesel i dont mind .
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MBrown
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Posts: 9
Joined: Tue Aug 18, 2015 6:08 pm
Town: Swartberg
Vehicle: Hilux 2.5
Real Name: Malcolm

Im not so pc clever , how do you post a pic ?
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MBrown
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Town: Swartberg
Vehicle: Hilux 2.5
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Bielie007
Newbie
Posts: 2
Joined: Tue Aug 28, 2018 7:47 am
Town: Brakpan
Vehicle: Toyota Hilux 2.5 d4d sc srx
Real Name: Jaco

Hi guys I would just like to know if someone can please post a picture of a cat because I have a 2014 model and I dont see it only the box at the back it is the standard srx model not the vnt model
Mars
LR4WD, Lockers, Crawler Gears
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Posts: 1452
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Town: Pretoria
Vehicle: Toyota Hilux Dakar 2.8 GD-6 DC 4X4
Real Name: Marnus
Location: Pretoria Oos
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The early models did not have a DPF. My 2015 3.0 D4D did not have one. It looks like a small silencer close to the down pipe. I suspect that your bakkie also does not have it.
Mars
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Posts: 1452
Joined: Mon May 07, 2012 12:33 pm
Town: Pretoria
Vehicle: Toyota Hilux Dakar 2.8 GD-6 DC 4X4
Real Name: Marnus
Location: Pretoria Oos
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MBrown wrote: Fri Aug 28, 2015 2:28 pm Iv also got a racechip . Just the standard one set on stardard settings , 2 mins to fit.
Question .. what about a performance air filter ? K N have got one hat fit in the hilux . Is it worth it ? Will it effect the engine in the long term . 90% of my driving is dirt roads .
I need as much power as i can get because i have now got 31x10.5 R15 M/T tyres. 4th is my new 5th . fuel consumption is down to 8.8km/L . but as long as they keeping making diesel i dont mind .
I must say that I really do not like K&N filters for off-road or dusty conditions. It is fine for a race car going around a circuit but something totally different on a working bakkie that goes on dirt roads. K&N filters are only good for keeping half bricks and mossies out of the air intake.

To much dirt ingress will definitely increase wear.
Last edited by Mars on Wed Aug 29, 2018 11:36 am, edited 1 time in total.
Bielie007
Newbie
Posts: 2
Joined: Tue Aug 28, 2018 7:47 am
Town: Brakpan
Vehicle: Toyota Hilux 2.5 d4d sc srx
Real Name: Jaco

Mars wrote:The early models did not have a DPF. My 2015 3.0 D4D did not have one. It looks like a small silencer close to the down pipe. I suspect that your bakkie also does not have it.
Thanks alot beause i had a look at exhaust system pictures on google from original toyota exhausts for the bakkie but it looks different than mine! But thanks again for your help

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