Exhuast fact or fiction?

[blue_reality]

I was driving to work the other day and I drove past a Tuffy Muffler place - there were no cars in there so I stopped off to talk to the guy. I said I was thinking about putting a 2.5" dump pipe on my Golf GTI and had he had any experience with how they performed.

He told me that a dump pipe alone will do nothing because then it goes into the stock restrictive pipe. This was contrary to what I have heard and read everywhere else which suggests that the only restrictive part of the stock system is the dump pipe.

So he went on to say that to gain any benifit I would need to fit a full system and he could do it for..... wait for it .......

$3000!

That's right - three THOUSAND dollars.

Can someone please clear this up because I know that someone else on this forum went to Tuffy for their dump pipe and all the other resources I have investigated suggest that only a adump pipe is needed for a significat gain in power, particularly if the car has a GIAC chip / boost. Mine is stock at the moment but a chip is on the way in a few weeks.

Was the upgraded dump a noticable improvement?

Have you dynoed it before and after?

Ehat extra KW are expected?

[gpk_gti]

hehehe,thats funny!!!
Tuffy Mufflers Alexandria 64 Epsom Rd 2015(02) 9699 2327was it this Tuffy?? there are a few around...
just spoke to them now,,, ring Ron or Mike .if you want I can meet u there to get that extra mates rates.
as for the difference,I did notice a mild diff in the mid range.make sure your rear box is up to speed!! ohhh and I didnt dyno just for that specific upgrade.too many upgrades to get a specific items kw increase..
you coming sunday right??

[DIDZ]

Come down on Sunday !

I'll show you my dump pipe!!!

(Get your dirty thoughts out of the gutter...)

[h100vw]

I had a full 3inch turbo back system done for less than $2000.

It's common to fit a larger down pipe to the std system in Europe, The exhaust flows pretty good, consider it will allow a chipped car to make 200 hp. The larger DP lets the turbo spin up earlier.

Gavin

[gpk_gti]

Come down on Sunday !

I'll show you my dump pipe!!!

(Get your dirty thoughts out of the gutter...)

I heard your dump pipe is pretty dirty!! give it a clean and we will get down and have a look !! hehehhehehe

[DIDZ]

In seven days the underneath of the car should be bright and sparkly

*back from SuperRipoff with $2 cans of degreaser*

[blue_reality]

Mmmm, on sunday we'll get our dump pipes out and compare sizes...

gpk_gti - how much was your dump pipe and fitting from Tuffy in Alexandria? And can they fit it on the spot quickly or was it a bit of a process? The Tuffy I went to was in Newtown.

[DubSteve]

The Tuffy I went to was in Newtown.

Both those Tuffeys are 1 suburb away from eachother lol.

[gpk_gti]

actually steve there are about 4 ,all within that area!

[blue_reality]

I've put on a full 2.5" turbo back with new rear box and the car goes so much better. Probably 20% more power I'd guess. Spools up quicker and is not that loud at all - just a nice rumble.