The dynatwist come with a heatsheild. Its pretty much part of the cold air system.
Also one major question is "How much do I want to spend"
People say that just by changing the OEM air fillter to a Green Panel one, and changing the intake to the cupra one, has roughly the same results as a CAI kit.
Here is mine with the heatshield back on, and a battery cover -
- missing from the Mk4.5 for some reason
It does increase the dump noise without the heatshield on. My mate thought I'd managed to put on an Atomospheric DV.
And some small information for Klang J
All millteck
Hi-Flow Sports Cat and Downpipe - £256.50
Centre Section - £104.65
Rear Silencer (Single 118mm Oval) £156.98
+ VAT
+ around 2-3 hours fitting at £45 per hour