I had a full Miltek system with race cats and ECU re-map fitted by Thorney Motorsport last Friday as well as an ITG filter element. I thought I'd share my initial impressions of the upgrade.
Pros:
1. Sounds pretty cool especially under hard acceleration - more dare i say like a 911 GT3! Also the trademark CSL induction note is still very apparent and hasn't been drowned out.
2. Power gain not immediately apparent from setting off but once you get into the mid-range it gets all angry and revs with even more urgency!
3. It looks nice and weighs less than OEM of course...
Cons:
1. It has a bassy drone between 2250-2750 rpm which can become wearsome when in town driving speeds or on slower motorway traffic speeds. This can be worked around by changing down a gear or by accelerating faster!
2. An annoying rattle emanates from the cat section on startup and remains quite distinctive until the car is fully warmed. A tad embarassing for such a 'nice/posh' car! Gonna ring TMS and check if this is the norm!
3. Fuel economy has gone down marginally (as expected) by 1-2 mpg on the car computer average calculator. The whole setup isn't exactly cheap of course at 3k...
Summary:
Overall I'm very pleased with it and TMS were really good also and looked after us for the day providing a lift and pick-up from Milton Keynes whilst system was fitted. It was good too to speak to John at TMS and have a look at his own (thorn covered & modded) CSL. There was also another CSL in for a Stage 3 tune.
BHP (at flywheel) prior to fit: 356
BHP (at flywheel) post fit: 379 (322 at wheels)
