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Hey guys, Just wondering if anyone has any ideas on controlling the Vacuum operated Biodals. So far my exhaust consists of 340KW HSV headers, GTS 2.5 inch Mid section. After driving like this for the past six months I finaly decided to get rid of the AFM rear cans. So Friday night I...

Trying to stay away from a tune. When it is time for a tune a set of hi flow cats will go on for sure but until then i will just stick with a rear muffler change

So thought i would give a bit of an update. I ended up getting a set of hsv 340kw headers with the 2.5 inch collector. Hsv r8 340kw mid section. I fitted them up over the weekend. Extractors were a very easy fit. Only issue was getting the bloody 02 sensors out of the old manifold, it was...

Yeah spot on. Found lhs connector but god knows where the rhs one is. Will have another look for the post.

Hilarious. I wish it would.

trying to get my exhaust manifolds off my vf ss but but having a bloody hard time getting to the o2 sensors. So I can get them out of the car. Anyone got any tips ?

I would love to know how many s1 redlines were made compared to series 2. I must see 10 series 2 to every series 1

Cheers I will get some bungs welded in. So I bolted everything back up. It ran like **** threw an alarm on the dash. So I pulled over and one spark plug lead wasn't connected properly. Put it back on and now she runs spot on again. Problem is I can't get rid of the check engine light...

Hi guys, Know nothing about modern cars. Half way through changing my exhaust on my vf s1 redline to a set of hsv headers and mid section and realised that each exhaust has 2 o2 sensors 1 before the cat and one in the mid section. Hsv only has them before the cats. What do i do with the rear...

Also i returned 2 incorrect seals to holden and got him to look up e3 gts and he was shocked to see another partnumber was a hsv part number but it came up. Cheers again

Thanks for the help guys. picked some up today from an exhaust shop. Picture helped heaps. Took a bit of explaining for him to understand it was 2.5 inch and not 2.25. Got there in the end. Just need to pick my bi-modals up and exhaust should be ready to bolt up after Bathurst. Cheers

2nd pic is a great help. And cheers gfl i will try that and see what they come up with. If not i will drop into the only good exhaust shop left near my work.

It's my daily drive and I don't want it off the road because I got the wrong seals.

Main reason is I don't have one at all, the headers I bought didn't have the seals in them. I have noticed there are lots of different profiles and sizes so just want to make sure I end up with the right one.

Hi guys as per tittle, I have got a set of 340kw headers and cats with the 2.5 inch out let, i have also purchased a r8 midsection. I have scoured the net and even went to holden spare parts to get the appropriate seal to no avail. The only one holden lists is for the 2.25 inch outlet...

Thanks for the offer and i will keep it in mind. Thinking the headers are going to take a while to come by, so i have some time for some vf2 bi modals to come up. Cheers again

So bit of an update ! I have ordered the r8 mid section off ebay and should be here next week. So i am now on the lookout for a set of hsv 340 headers. Havent found a set but looking pretty hard so if a set come up for a reasonable price consider them mine haha. Also looking out for a set of...

Yep 400 is a deal thats for sure. But i reckon they will come up now and then. Not sure if i have the patience to wait long though. Can get mid sections on ebay for 150. Are ve hsv headers the same as vf? Theres a set for $200 Hey cuda is that your cuda in your avatar. Ive got a 70 r/t...

Certainly some great information from some obviously knowledgable and experianced people. It seems that the key to the issue is that the main issue lies in the mid section. And what ever i do behind it is going to sound **** because i will only amplify a **** sound. New options 1 At a...

Yeah I have the ball clamp type which limits options a bit but there are still a few out there. I saw on eBay the hsv mid sections for 150 bucks with delivery km only. Bloody cheap and hard to pass up. Looking at them I will just need to get the o2 sensor bungs welded in.

Haha now thats how it should sound.

Thanks alot for the info. The hsv center section and the bimodal mufflers sound like a good option. Will start keeping an eye out for them. I assume the hsv mid section will bolt straight up to my cats ?

Hi guys, Purchased a vf1 redline a couple of months ago and absolutely love the car. Only issue is how bloody quiet it is. The series 2 sounds a hell of a lot better. Was thinking about getting a set of vf2 bimodal mufflers and running them with the valve open all the time. I am sure this...