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chr15astra
10-11-2007, 16:13
dose a pre cat make the zlet go any better :redface:
lee gsi
10-11-2007, 16:41
Yeah they do.

Gain about 5-10 bhp
chr15astra
10-11-2007, 16:46
can you tell when driving
lee gsi
10-11-2007, 16:47
Seems to rev free'er and harder.

Well worth the £150
chr15astra
10-11-2007, 17:00
Seems to rev free'er and harder.

Well worth the £150

just got 1 for £70 are tey hard to fit
SRi-Andy
10-11-2007, 17:16
Only problem you'll have is space I reckon
chr15astra
10-11-2007, 17:18
brought the torx 10 to do it with today
bally_gsi
10-11-2007, 17:46
Best mod for the money i reckon by far
SRi-Andy
10-11-2007, 17:49
Best mod for the money i reckon by far

That and coupled with a decent exhaust can release a good 20 ponies :D
wayneGSI
10-11-2007, 19:33
this should be the first thing anyone does to a turbo astra
luders
10-11-2007, 19:35
fitted one to my zaf bus today quite easy to do as long as you have right tools goes a lot better...have got milltek cat back aswell. sounds sweet..
SRi-Andy
10-11-2007, 19:52
The pre-cat 'cat' is only required for the first MOT.

I'd love to know why :biggrin:
Enkidu
10-11-2007, 20:56
The pre-cat 'cat' is only required for the first MOT.

I'd love to know why :biggrin:


Not first MOT dude... Just when the car is built, after that you only need the main CAT for a MOT.
lee gsi
11-11-2007, 10:48
this should be the first thing anyone does to a turbo astra

I agree, even on a standard one
mystery machine
11-11-2007, 18:28
Not first MOT dude... Just when the car is built, after that you only need the main CAT for a MOT.

/\ tis true.

when u remove the old pre cat compare it against the new one.... you will wonder how the hell it even ran, should feel it pull better past the 4k mark. :)
chr15astra
14-11-2007, 22:08
i put it on saturday and all i can say is wow pulls alot better
:omg
phil-mcc
14-11-2007, 23:13
just to save my lazy ass, what tools do you need to do the swap?
Ian7
14-11-2007, 23:38
this should be the first thing anyone does to a turbo astra


This should be the first thing i get some one else to do to my turbo astra dont you mean wayne, you never get your hands dirty, :) :hysterical: :hysterical:
wayneGSI
14-11-2007, 23:51
This should be the first thing i get some one else to do to my turbo astra dont you mean wayne, you never get your hands dirty, :) :hysterical: :hysterical:

lol
i would have done it myself but it was aready on for me :hysterical: :hysterical:
Birchy*GSI*
15-11-2007, 15:59
having mine l8a or tomorrow goin on for the weekend cant wait