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VF SS Series 2 Rear Muffler with Bi Modal

clappa

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So for those interested. Got the original bimodals fitted. Unfortunately, the relay is missing which I only found out this afternoon. So still not sure whether it works.
Holden don’t have any relays. Ordered some from eBay but are a week or so away.
Anyone know where in Sydney I can get one from?
 

clappa

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So for those interested in an update.
Got the relay sent from the USA. Needed 1, but got 3. So have 2 spare if anyone needs one.
Bimodal is all working now, and there is a noticeable difference which is great. Next big test is doing a freeway run and seeing if the drone is gone.
I think all up, it cost me $420 to do, including the original mufflers, welding and the relays. Well worth it IMHO.
 

Skylarking

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..... Holden don’t have any relays.....
I’ve read such on the forums related to other spare parts. It’s not like people want parts for a 20 year old car. Such lack of spare parts does not bode well for keeping our cars on the road going forward :(
 

VS 5.0

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I’ve read such on the forums related to other spare parts. It’s not like people want parts for a 20 year old car. Such lack of spare parts does not bode well for keeping our cars on the road going forward :(

Doesn't the law require them to have spare parts available for at least 7 years ?
 

Anthony121

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I’ve read such on the forums related to other spare parts. It’s not like people want parts for a 20 year old car. Such lack of spare parts does not bode well for keeping our cars on the road going forward :(

For some reason that particular relay (part 13500128) is not listed in the VF range but is used for Bi-modal exhaust relay. That part is used on a number of Holden vehicles and is available to purchase.
 

PeteSS

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So for those interested in an update.
Got the relay sent from the USA. Needed 1, but got 3. So have 2 spare if anyone needs one.
Bimodal is all working now, and there is a noticeable difference which is great. Next big test is doing a freeway run and seeing if the drone is gone.
I think all up, it cost me $420 to do, including the original mufflers, welding and the relays. Well worth it IMHO.

On start up i assume the bimodals are open, then shut when the revs drop. Even if you have them on quiet mode ?
 

clappa

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For some reason that particular relay (part 13500128) is not listed in the VF range but is used for Bi-modal exhaust relay. That part is used on a number of Holden vehicles and is available to purchase.

Interesting..As a number of Holden dealers said Holden dont make that part anymore, even when i quoted just the part number and not specifically related to the VF.
 

clappa

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On start up i assume the bimodals are open, then shut when the revs drop. Even if you have them on quiet mode ?
No idea but this morning it seemed shut straight away.
 

Anthony121

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Interesting..As a number of Holden dealers said Holden dont make that part anymore, even when i quoted just the part number and not specifically related to the VF.

They are talking **** as they are still being imported
 

monty_vfssv

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On start up i assume the bimodals are open, then shut when the revs drop. Even if you have them on quiet mode ?
yes they are spring loaded to the open position, once the car fires in quite mode they close fairly quickly within a second or two.
 
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