Fitting a miglia twin box system and battery box.
Turbo Mini Forums

Does anyone on here know if you have to remove the battery box in order to fit a miglia twin box system?
I am about to fit the battery box but if I can't use it with a miglia system I will just weld a plate over it.
Also has anyone used this system for a turbo and if so any pics?
Thanks
Sam.

Most miglia cars do not have a boot floor/have a carbon fibre replacement. This gives them the clearance that a standard mini doesnt have - so I guess the answer is to weld a plate over it.

I've never seen anyone use it on a turbocharged mini - I cant see any advantages on a turbo mini over a single system

Is there such a thing as a Mini Miglia exhaust? I always imagined that they were bespoke systems buit by the owners.

Anyone advertising a 'Miglia' exhaust is surely just selling a system that looks a bit like one of them. I could be wrong they may all use the same exhaaust system.

From what I remember, it's a twin backbox system, with both boxes sat next to each other under the boot. You might have clearance for a battery box, I don't know. Your best bet is to buy the exhaust and see.

It may be possible to move the battery box to the right a inch or so to allow the extra space you might need.

Wil

Fastest 998 mini in the world? 13.05 1/4 mile 106mph

Forgive the question but... How are you going to split it to go to the 2 boxes when you only have a single downpipe? Or is this going to be running on a NA lump with an LCB?

Edited by wil_h on 30th Mar, 2006.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph

The exhaust that I am planning to use is a maniflow system, and I believe they build a lot of the miglia exhausts. It is a twin box system and it has a Y piece like the one shown to split it.
I really like the look of this system but also I imagine the flow through on such a system must be pretty good so I can't see why it wouldn't work for turbo applications.
I think I will plate it, originally I was gonna go for a carbon boot floor but since finding it is not MOT legit I am not gonna bother as I do want to use the car on the road as well.

Ok, to put the record straight.
The reason why the Miglias run twin boxes, is that the box to use in mandatory. I think it is 1 7/8. But, the rules do not specify how many of these boxes you can use, so they use two. If not, the box would be a performance bottle neck.
If the rules allowed, they'd use ONE box of 2" size, possibly bigger.
Get it?

There is only one pipe under the car.

you can get a maniflow system that has the tail pipes are each corner, its not what miglias use, but to the unknowing eye it looks the same.

also, carbon fibre boot floors arent a problem for most when it comes to the mot.

"Turbo's make torque, and torque makes fun"

"did you know you can toast potato waffles?"

joey, i think the one where the pipes come out each corner has 90 degree bends in it which must be a massive restriction. I just fancied the look of twin pipes.
As for the carbon fibre floor, this was covered in a different topic but when I asked the mot tester at my local garage he checked with VOSA and it would be a failure.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph

With the high revs the miglia boys run (and hence volume of gas being produced), I'd guess it is worth a significant amount of power at the top end of the rev range.

my up coming project is gonna be a miglia replica, does anyone have some pic's of the exhaust system? fitted or not?

I have thought about it and stuff the MOT I have ordered a carbon boot floor. I will just keep going round MOT testing stations till I find one that passes it!
I havn't got any photos and maniflow themselves didn't have one either. If anyone else does that would be cool.

Steady, the new computerised MOT system will mean that the second MOT station you go to will know why the first one refused the MOT.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."

Dan's got the exhaust of my miglia so i'm sure he'll take a photo