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Aftermarket Exhaust Options
Posted 19 November 2009 - 09:51 AM
The kit seems to be the smaller silencer box and fairly short length of pipes - i guess probably joining onto the downpipe of the manifold (i.e. manifold isn't replaced). I'm not sure what the monifold looks like - i.e. if the 2 cylinder banks join into 1 pipe which attaches to this bit of exhaust or if there are 2 joins - I'll try and have a closer look but it's quite hard to see.
As to fitting - it was done at Lotus - it was the first one they had fitted and they had a few niggles but no real problems. Lotus sport didn't develop the exhaust - it was done by the Evora team so I think just a bit of a learning curve for them. I was also having new door seals fitted so it was with them for about 3 hours in total...and i got a pretty good deal on labour costs for the exhaust - as you say, adding 2 hours labour onto an already quite expensive item is probably a deal killer...
finding info on the exhaust is pretty difficult - i got these pictures from a japanese website !!
Posted 19 February 2010 - 12:35 PM
I think this should really be the standard item. if you buy one expecting the car to be transformed to an M3-rasp or similar you will be disappointed, but it certainly makes a more gutteral throaty sound which is more akin to what you'd expect of a V6 sports car.
There are a few burbles on over-runs too. It's not intrusive (given relatively low revs) on motorway runs. i'd recommend it - but can't say I think it offers great value at the full fitted price.
Posted 19 February 2010 - 06:35 PM
I have now joined the Lotus Sports exhaust club.
As of yesterday - Us too.
Nice classy note if I may say so
Delivery Date: 10.09.08
Posted 19 February 2010 - 11:21 PM
On Tuesday I was dropping car off at dealer again as I headed back offshore and he offered me the amazing deal of 750 fitted knocked down from 1000 supposedly as he had done a deal to buy 5. I was frankly shocked at how much he was suggesting standard fit was as I was sure Forum prices had indicated much cheaper but couldn't remember. Now I do after reading Beadys post.
Autocar's Best UK Drivers Car 2009. Car's Performance Car of the Year 2009; Evo's Car of the Year 2009. Top Gear Sports Car of the Year 2009
Posted 20 February 2010 - 04:56 PM
Joe - what was the cost of the unit?
Edited by bolly girl, 20 February 2010 - 04:59 PM.
Delivery Date: 10.09.08
Posted 21 February 2010 - 07:27 AM
Sounds good at high revs, but will it bug me when using it every day, sadly sometimes spent cruising on motorway etc..?
Posted 21 February 2010 - 12:38 PM
Bollygirl: £800 inc VAT.
Edited by S7 EXG, 21 February 2010 - 12:42 PM.
Posted 21 February 2010 - 07:31 PM
Footsoldier - I spent 1 1/2hr in car on return from factory (motorway and back lanes to end) and found the background noise from my son to be more annoying that the exhaust note
Delivery Date: 10.09.08
Posted 16 March 2010 - 12:23 AM
I fitted a Milltek exhaust to my old Europa and then took it off, because it was too obtrusive as it popped and banged everywhere. This is much better and I'd recommend it for those with no patience to wait for aftermarket alternatives (eg me!)
Posted 16 March 2010 - 03:28 PM
Posted 12 June 2010 - 05:37 PM
Posted 13 June 2010 - 10:11 AM
Posted 13 June 2010 - 11:52 AM
The PB Racing's one will be mine as soon as I recieve my car. It's a full exhaust system from the mainfolds.
Posted 24 June 2010 - 10:06 AM
By now we've tested it on the dyno with the stock and with the stage 2 lotus performance exhaust.
Results weren't bad, i'll post the graphs as soon as possibile, with the exhaust it runs 274 hp, with the stage 2 around 280.
We're planning to make 3-1 manifolds, may step-headers, metallic kat and the rest of exhaust, hopefully to relase some good V6 sound and get close to 300hp.
I'll keep you updated on this!
Posted 25 June 2010 - 08:09 AM
274 hp it's with the stock exhaust.
The stage 2 lotus performance one is a catback, , its main advantage is in the weight saving.
The "titanium" tips aren't titanium at all, it a thermic/chimical procedure that give it the blu/violet-ish hue.
This is the stock engine, the manifold isn't the best at all:
The kat is close to the engine as in many new engines that need to comply with euro5 regulations. This solution brings the kat at operative temperature very fast, but it's not the best for performance and heat dissipation of the engine bay.
The evora presents a "chimney" over the rear manifold with an exit on top of the car, where there's negative pressure and it can "suck" out the heat.
Here's an example of a manifold for a car with small longitudinal space.
Edited by Bibs, 25 June 2010 - 08:27 AM.
Posted 11 July 2010 - 07:56 AM
Posted 15 July 2010 - 08:05 AM
We've decided to use two sliding pipes to keep the two main pipe seperated and garantee longitudinal engine movement freedom, to merge them after that and then use a spherical link to permit flex and torsional movement.
It's a design for independence, very different from the stock one, which has short primary tubes to make the first kats to reach high temperatures as soon as possible.
The rear exhaust is very similar to the lotus stage II exhaust, as you can see in the pictures. I'll have some better pictures of the manifold and of the complete exhaust soon.
Standard front and rear manifold:
Lotus Stage II with fake titanium tips:
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