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X-Force 4'' Turbo Back

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Just received my xforce 4'' turbo back today,its huge.I can see why they are a tight fit.I think ill leave it for the exhaust shop.Came with the 4'' single at the back muffler chromed plus a twin stainless tip.What does everyone run,single 4'' pipe or the twin stainless tip.Quality looks ok,is there any noise differents with the tips?Thanks guys

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Totally your choice.....I've seen the single and the twin and both look good.

Search through the Exhaust section and you'll find pix of both or before the rear box is fitted, hold the twin up and then make a decision.

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Lol I got a one today too from best mufflers he said to leave the single 4" tip he reckoned the twin tips are a bit of a restriction and change the sound.. Not sure if it's true or not. By the way a FG 4" system fits a BF apart from the dump....

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I tried plastidipping mine...still looks sh*t lol

I'll probably get it painted gloss black one day....or just buy one of those rear diffusers off fleabay.

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Chris from Best Mufflers has posted up what mods need to be done to cat back section to hang right.

Is 3.5" but might help some out with hangers etc.

Link below.https://www.bestmufflers.com/bshop/Custom_Exhaust_Systems/Ford_Falcon_FG_G6E_XR6_Turbo_Xforce_Exhaust_System_Install.htm

Lol that's my car.

After talking to him about a couple of different exhausts he recommended the 3.5 inch stainless cat back (not the polished version) and paint it black. The car already had an advance headers 4 inch dump and cat.

I try and keep the car looking as standard as possible on the outside that's why I kept the standard tip

Car is going in next Tuesday to get tuned , I'm hoping for around 450kw.

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Nice.

I just purchased a Advance 4" SS dump which is ceramic coated.

Looking for catback now.

I take your taking it easy as not tuned.

What's it sound like off boost, and are you happy so far?

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I've driven about 200km since having it fitted . It's not too loud while cruising around off boost , it has a nice deep note. I have put sound deadener from the back seat to the boot , it hasn't made a massive difference but I think it's worth doing as it has reduced road noise as well .

I think if you're really fussy and want to keep the car quiet you can't go past the standard cat back. My car ran

11.2 with the standard cat back and turbo .

Chris said that it should perform better if he changed the twin section into a single and redone the section where it goes over near the diff .

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I was told by PitLane that they got the oxy to heat and bash an area on my car to get the Nizpoo to sit right so just having to bash something is a win I reckon

Edited by BenDoCo

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Yeah Don, my rear muffler had the lip folded over so when it gets hot it doesn't hit the tow bar.

I'm not sure if you've ever paid attention, but if you have a look at where the rear muffler sits when it's cold, then when it's hot, real hot, just after doing a few pulls, it sits an extra 1.5" to the rear. The whole exhaust expands that much being stainless.

Also mine starting hitting again when it got hot on the weekend. I almost lost it when I heard it!

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some Xforce exhaust we have fitted have required major mods to fit, part of Dons issue was the custom tow bar fitted to the car, the exhaust was heated and bent to provide better clearance when hot as well as cold

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annnnnnnnnd mine doesn't knock...................hehehe

another win :)

just wish those v-clamps worked better #cozfarkenannoying

I will def have a look at the growth of it when 'really' hot Seaton -- I'm a bit jealous of the exhaust actually. Wish I could grow

-------------------------

As Biz will tel you, his 4" x-force fitted up pretty easily and after he put the clamps around the rubbers (as far as I'm aware - coz haven't been in his car for a while) it doesn't knock on anything.......lucky I guess

Edited by BenDoCo

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some Xforce exhaust we have fitted have required major mods to fit, part of Dons issue was the custom tow bar fitted to the car, the exhaust was heated and bent to provide better clearance when hot as well as cold

I have a tow bar and 4" xforce with no mods. Done in a pit and used a piece of timber on the end and used a ls1 crank as a hammer.

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I guess these exhausts come with a sledgehammer as part of the kit and really do supply "bang" for your buck.

And - as for expansion...... Have a look at the engineeering tables on this. Must be a lot of pipe under the car.......

Edited by BRK

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