UniSettings - Exhaust Pops On Overrun

[lee_woollett]

My Cupra R has a Miltek exhaust and does not bang (yet) though I have not really leaned on it for a sustained time. Even once the car has been driving a while and is fully up to temperature, I have not heard a bang on lifting off the throttle. Full cat is still in place though, and thats not changing. It does little double and triple pops on a closing throttle when you are revving it though, sounds awesome, but it's not like a rally car bang.

The best way to get that rally car noise is with anti-lag software mapping, and no cat and a straight through exhaust. It will destroy a cat quickly, and a normal exhaust would not last long with antilag used in anger, and the turbo won't like it. Most people who have it installed on their cars tend to save it for car shows and the occasional bout of showing off. It sounds great but the wear on the car will be very costly, and your neighbours will want to murder you every time you get in your pride and joy!

Yes it sounds great but it's illegal to run on the road. Turbo life will be severely shortened as will the manifold and exhaust due to higher temperatures, think about it, you've got unburnt fuel / air mixture exploding not just in the cylinders (which are built to take it) but in the manifold too. I think they used to fit ceramic shafts in the turbo to help keep the wear to a minimum. Your clutch will take a battering as well. I've stood in the welsh forest stages of the RAC rally years back, you can hear the cars from miles away (escort cossies sounded great back then)

 

[Mastodon2]

Yes it sounds great but it's illegal to run on the road. Turbo life will be severely shortened as will the manifold and exhaust due to higher temperatures, think about it, you've got unburnt fuel / air mixture exploding not just in the cylinders (which are built to take it) but in the manifold too. I think they used to fit ceramic shafts in the turbo to help keep the wear to a minimum. Your clutch will take a battering as well. I've stood in the welsh forest stages of the RAC rally years back, you can hear the cars from miles away (escort cossies sounded great back then)

I did make the point that it's incredibly impractical on road cars, they just aren't built to take that kind of abuse, even a group N homologation spec car will burn through parts when running an aggressive antilag setup.

 

[JamJay]

See your point gents but I was never considering anti-lag as an option, just purely seeing what can be done via free flow exhaust and changes in fuelling.

 

[JamJay]

One and all, I can confirm that the key to getting an LCR to pop and burble is a 3" exhaust from turbo to tip. I will try for some videos very soon but I will also have a go with unisettings and see what happens.

 

[DaNnY_LaD]

Hi Jay

Just a thought cupra-r ash on here has a Cupra R with a 3'' piperworx dp and 2.75 mid section but the backbox outlet is small (yet to be changed)

And on over run it pops its tits off....Seems a off the shelf jobbie wont do this..

 

[cupra r. ash]

Its all change now. Pipewerx dp and decat, and 2.5" catback with no centre box and a small backbox. Sounds great now. Still burbles on over run and pops when warm. Its called a bubble machine acording to john ( cupramvr) and danny_lad haha

 

[JamJay]

I think non-res & small rear box is the key

 

[DaNnY_LaD]

Sure is...


Should hear ashleys bubble machine lol

 

[cupra r. ash]

 

[Hullcupra225]

we need vids lol

 

[t0m]

Defo need some vids agree with Hullcupra

 

[JamJay]

If someone has a decent video camera then please come and film it, my camera isn't great for videos.

 

[Klone]

did anyone play with these settings at all? a mate is going to try it and i didnt know if it would cause any issues??

 

[rsmith]

I increased channel 3 by 5% last night, i didnt notice any different on over run.

 

[Klone]

it's funny, because mine never worked anyway

im not hellbent on pops anymore but it would be nice! lol its the chav in me.

*edit*

I've seen on ASN that Bill @ Badger uses this maybe he can tell us the safe figures to play with and the potential risks

 

[Mr_Dave]

Glad I'm not the only one!

Mates Megane has no centre box, all that's required to make 'em pop and bang like fook! .. Jealous..

 

[Klone]

Yeah a few of my mates can pop even one with a stage 1 revo golf! Same power, engine and mods as me!

 

[vw-aj]

has anyone played with the setting and had success yet? Fitted my downpipe and decat at the weekend and want more pops and bangs

 

[Dan1720v]

Been playing about with it just now. Cant get any pops, ancd it wont let you reduce over run fuelling. Have had a play with fuelling and ign too, goes better now..

 

[Dan1720v]

A thought I've had, is it possible to pull the settings from say a stage 2 ecu, and save it to disk, the. Upload to a different ecu to give a stage 2 map?