Pontiac G8 Exhausts?

[Kev Carrington]

Hi, sorry if it has been asked before, but has anyone on here imported any of the stainless rear silencers you can get for the Pontiac G8, and do they fit our cars?

Thanks

Kev

[globalfish]

Fit perfectly. I have the Magnaflow catback #16795 which was purchased from UK distributors Nemesis Performance. I had the last one in the Magnaflow European warehouse in Italy (at time of purchase). Ordered on a Weds PM and was TNT'd at no extra cost and arrived in perfect condition on Mon morning. Local chaps that fitted it said there were no alignment issues during fitting. I got mine at an incredible price so very happy with my purchase.
I believe there are 3 Magnaflow options. 2.5" with resonator, 2.5" without and also a 3" system. There are also axleback only options, not sure what other brands offer.

Edited by globalfish on Wednesday 8th February 04:29

Edited by globalfish on Wednesday 8th February 04:31

[Kev Carrington]

Thanks mate, I guessed as much, but good to hear from someone who has one installed.

Cheers

Kev

[preciousmetal]

Kev

you have the auto bimodal HSV exhaust on your E2. you can get WP to switch it override manual switch loud / quiet ? rather than through the ECU

[Kev Carrington]

Hi James

Yes I know it has the vacuum operated bi-modal, not electronic, and that may be set to loud already, but the rear silencers are showing signs of decay, and I am not that keen on either of the WP tailpipe options.

Thanks

Kev

[vxr2010]

go to an exhaust builder and get new back boxes done your way , they may still be able to use the valves and do it that way

[Fuelish]

I ordered a set of Pypes Violator stainless rear boxes for the G8 from a place called Yates Performance in the states, price was $279 with postage and tax/duty i paid £320

[preciousmetal]

Kev Carrington said:

Hi James

Yes I know it has the vacuum operated bi-modal, not electronic, and that may be set to loud already, but the rear silencers are showing signs of decay, and I am not that keen on either of the WP tailpipe options.

Thanks

Kev

Okay understand. When in had it the valve opened to loud at idle and on 3/4 throttle
Maybe they are seized or stuck and if rusty suppose you could replace just the back boxes

[Kev Carrington]

Thanks James

Ian - are the Pypes Violators a good sound, I do like the look of those boxes.

Cheers

Kev

[Fuelish]

For my tastes yes they sound good, louder then standard but not as loud as a cat back system, very little booming between 1700-200rpm

Ian.

[Fuelish]

Have a look here Kev. https://www.youtube.com/watch?v=p26T9gTfSGc

Ian.

[Kev Carrington]

Thanks Ian

They sound good mate.

Cheers

Kev

[DRC72]

The valves are set open all the time as it is spring pressure that keeps them open.
The vacuum line controlled by the ecu closes the valves.

I blocked off the vac line so that the spring pressure kept them open all the time.

Paul can vouch for how good this system sounds when he was behind me.

The only trouble with the back boxes are it is Aussie stainless and not very good.

Dale

[pah250]

DRC72 said:

Paul can vouch for how good this system sounds when he was behind me.

Sounds fantastic at wide open throttle.

However, I was only behind you because I let you pass me - just saying

[leigh1050]

pah250 said:

DRC72 said:

Paul can vouch for how good this system sounds when he was behind me.

Sounds fantastic at wide open throttle.

However, I was only behind you because I let you pass me - just saying

What areyou on about? Anything can pass your asthmatic old weezer of a car

[Kev Carrington]

Hi Guys

Thanks for the feedback.
Hi Dale, yes I thought it sounded as though they were open all the time, and you are right, the main reason for wanting the change is that the rear silencers are going a bit crusty.
Cheers
Kev

[bimsb6]

Fuelish said:

I ordered a set of Pypes Violator stainless rear boxes for the G8 from a place called Yates Performance in the states, price was $279 with postage and tax/duty i paid £320

Is that for a monaro vxr ? I need a cat back system for my vxr 6.0 .

[Fuelish]

bimsb6 said:

Fuelish said:

I ordered a set of Pypes Violator stainless rear boxes for the G8 from a place called Yates Performance in the states, price was $279 with postage and tax/duty i paid £320

Is that for a monaro vxr ? I need a cat back system for my vxr 6.0 .

No mate for R8.

Ian.