fiestaturbo.com

[Rich si]

anyone fitted one to a 1.6 si? Has it made much difference, is it worth the outlay?

[eqraz]

ive heard they give you 5 bhp ish, nasty things those cats
get it ripped off

[FezzR]

i remember one of the big-cats (he he) on here say it will make feck all diff. as does induction kits, but ive never had it done so cant really say but from all the different comments i would say that there will be little difference and it will be a pain in the arse having to put it on for MOT,
but on the other hand if u got induction kit and some engine mods if u had it on rolling road u could get some benifits

[Canwell]

de-cat will give u 10% extra power. aint really that much effort putting ur cat back on - about a 20 min job. and u only have to do it once a year!

[Russ_Gti]

i have a full system by powerflow and its gives me 9bhp xtra without the cat

[Phil Si]

u had it rolling roaded?

[Russ_Gti]

yeah ime runnign about 104.4 now wid the decat and filter

[Fiestasi-Andy]

Is it a decat system including the front pipe

[Russ_Gti]

yeah from th standard manifold, i have a car replacement pipe so i can put it back on mot time

[Fiestasi-Andy]

who made that & how much did the ECU cope alright, cos i have had major problems with my ECU

[Russ_Gti]

powerflow made it for me, its sweet, the ecu is fine no problems so far

[BOB.T]

I have no cat, full magnex and a K+N, I managed 94BHP on the rollers at Well Lane Batley.

Personally I don't think taking the cat out has made any difference except give me headaches at MOT time

Put your money into the suspension or brakes I reckon.

[Canwell]

I have no cat, full magnex and a K+N, I managed 94BHP on the rollers at Well Lane Batley.

Personally I don't think taking the cat out has made any difference except give me headaches at MOT time

Put your money into the suspension or brakes I reckon.

did u get it rolling roaded before you modified it?
as i said before de-cat gives u 10% more power. that simple

[FezzR]

I have no cat, full magnex and a K+N, I managed 94BHP on the rollers at Well Lane Batley.

Personally I don't think taking the cat out has made any difference except give me headaches at MOT time

Put your money into the suspension or brakes I reckon.

did u get it rolling roaded before you modified it?
as i said before de-cat gives u 10% more power. that simple

well do u have any proof of this?

[DaveZetec]

cat removal isnt 10% always. 5bhp average on a 100brake ish car

it can even make u lose power but its unlikely

[BOB.T]

No, I didn't have it RR'ed before I modded it but the book figures are 90BHP so that's a whopping 4BHP increase

I think saying a cat pipe will give you a 10% increase is just a tad sweeping..... or are you some gas flow expert, you've obviously gained more knowledge in your time than I have in my 9 years in the motor trade!

I think it's far too easy for company X to say our product will give you Y amount of power, if it were true my car should be running 120BHP now Modern cars are designed a lot better than they used to be so there is less room for improvement nowadays

[Phil Si]

yep as bob said, i doubt u would get THAT much from it

if we all went on what people said then the si could be SOO powerfull lol

zorst 4
filter 5
decat 9
rs1800 TB 20
cams 12

total ,..... 140bhp

[davy]

de cating the exhaust will generally only give you your '10%' increase in older cars which the engines were never deleoped for use with the cat. ie the 1.9 pug engines and the like. the cat was what evenually killed the car off because it effected the performance so much. newer cars are made to run with a cat and there fore taken it off wont really benfit you too much unless you remap the chip, if it has one. plus the fact that exhausts on newer cars these days are all ready fairly efficient. this is only a general rule though

davy

[Bash]

get a de-cat pipe! go on might as well, how much we looking at here?
im tempted too.
shall we go halves bob? :

[ArronXR2i]

yeah ime runnign about 104.4 now wid the decat and filter

[Robz_Fester]

I reckon its worth it, although I picked up my pipe for £20

If that 10 bhp = £2 / bhp and that is money WELL spent


I also got a full powerflow and ramair which help things along a lot. I have noticed though that the car runs a bit rougher in the first say 5 minutes (when you shouldn't kane it anyway though), but its worth it after that!

[Bash]

got and fitted de-cat pipe today for 1.6si and i can DEF feel
a difference in the response!!!

I would recommend gettin one Richey. I do have a mong00se system and k&n
and now this but never slapped it on R Road yet so dunno
what horses lies beneath

[Si_1.6]

If u want more power, remeber ur cars an air pump. u gotta get the air and fuel in there, process it and get it out,faster u can do it faster it will go ..... so just changing ur cat aint or changin ur back box will do nothin if ur leavin ur standard out let manifolds on and standard pipe. get it cam'd chipped get a straight through zorst system do the head and make sure ur cars getting cold air ,,,, then see if it ripps...... but cats snuffle power..... keep it though ull need it at mot time !

[Mikee_RS]

i got a si 16v. i got piperx induction kit and a full magnex system still with the cat pipe in and i got 97.9 on a r/r.
Quality

[FiestaMental]

Lose the cat...come to think of it, lose the back box too! It'll sound like you've got a v8 under the bonnet...mine does! look...
http://upload.turbosport.co.uk/getpic.a ... 752766.jpg
http://upload.turbosport.co.uk/getpic.a ... 806621.jpg