2.2 TDCi (Puma) CAT Delete

**tact** · 2nd February 2018, 12:25 PM

Originally Posted by dazzler

I have replaced JLR's intake ducting system with nugget ducting and I am happy with from a performance point of view. I plan to wrap the exhaust like i did with my old truck and use heat shield to workaround the cabin heat issue. Personally DE-CAT is off the menu for me.

Consider nugget ducting upgrade first up, before hacking into the CAT IMHO.

pd

Absolutely agree that fixing the stock air intake ducting to open up the airway and let the engine breathe better ought to be a priority. I remember back when I did the BAS 170hp tune the advice from Pete Bell was, at the least, make some mods to the airbox itself to allow freer breathing.

**Homestar** · 2nd February 2018, 01:01 PM

Originally Posted by rick130

Well, as I explained to a mate when a GTR pulled up beside me in the Deefer.
"Turbocharged, injected, all wheel drive, four spot calipers, slotted and vented discs, hey, I'm driving a GTR equivalent!!"

I tell people I have a V8, 2 door convertible - and then roll up in my 101.

**DazzaTD5** · 2nd February 2018, 05:00 PM

As already mentioned a snorkel will be worse for performance.

Worst thing for an engine is turbulent air, an engine wants passive dense air, of course that is all a bit redundant with a turbo engine.

Regards
Daz

**DazzaTD5** · 2nd February 2018, 05:03 PM

The Nugget Stuff intake is an awesome bit of gear as it seals and water proofs the intake from the snorkel.

But its a different thing, its not a performance mod.

Regards
Daz

**tact** · 2nd February 2018, 06:28 PM

Originally Posted by DazzaTD5

The Nugget Stuff intake is an awesome bit of gear as it seals and water proofs the intake from the snorkel.

But its a different thing, its not a performance mod.

Regards
Daz

Not sure of that myself - Given the weird narrow odd shaped stock ducting. A good, unobstructed, near straight bit of 90mm silicone hose may well encourage a few more neddies to pull harder.

**dazzler** · 2nd February 2018, 08:15 PM

Originally Posted by tact

Not sure of that myself - Given the weird narrow odd shaped stock ducting. A good, unobstructed, near straight bit of 90mm silicone hose may well encourage a few more neddies to pull harder.

Neddies haha!!

I was shocked when I pulled the stock ducting, compare that with the straight piping it has to help the 170 odd(give or take) fine BAS bred ponies I reckon. I did also remove(widen) the internal section off the air box past the dust separator for good measure.

For full disclosure I do not receive any kickback from Nugget (only emails talking about new goodies).

**PAT303** · 2nd February 2018, 09:26 PM

I swear by my Hiclone,it gives me 30% more power with a 40% reduction in consumption. Pat

Tombie · 2nd February 2018, 11:17 PM

Originally Posted by PAT303

I swear by my Hiclone,it gives me 30% more power with a 40% reduction in consumption. Pat

Wait until your polariser arrives, combined with rare earth fuel magnets it’s unbeatable.

**tact** · 2nd February 2018, 11:34 PM

Originally Posted by dazzler

[...] I did also remove(widen) the internal section off the air box past the dust separator for good measure.

I did the same mod inside the air box, and removed that little propellery dust separator thing as well.

**rick130** · 3rd February 2018, 06:50 AM

Tdi's and TD5's had a ridiculously restrictive intake duct between the inlet grilleon the guard or Snorkel and respective air cleaners. It stepped down to 50mm at the water dump, and a Safari snorkel was only about 50mm ID at the point it met the intake duct.

On my old Tdi I replaced the entire intake duct with with 75-80mm industrial hose and cut the end off the snorkel at a point it was 75+mm OD.
The Land Rover setup really offended me!

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2.2 TDCi (Puma) CAT Delete

My point exactly

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