All Things Mk5 > Performance Modifications

Types of intake

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56OctyVRS:
Being fair I am Stage2+ and still using the engine cover with a panel filter and have no issues. I had an intake but I didnt like the loss in low down torque it gave. So i switched back to the OE engine cover and find the car is far more usable on the road. Intakes move the power band further up the rev range and if you look at what rev range you normally use when driving in traffic. Its usually below 3000 rpm and I couldnt stand the loss in torque with the intake fitted. It made my car more sluggish to drive around town.  It does help with peak power when using the full power but I dont use it that much so it was a waste of time for me.
An intake wont make a massive difference in time and acceleration or indeed power when comparing similar spec cars on the road. You are talking around (give or take) 15bhp peak power more and a few more in the mid range. But nothing to write home about. You would be better spending the money on a downpipe and going stage 2.
Rtech Nick says that on a K03 the OE engine cover is good for 275 to 280bhp. If you look at the ED30, they make good power with the same OE engine cover due to turbine volumetric efficiency and increased flow outward bounds.  The ED30s tune to 300bhp with ease with just the stock paper filters in place. If your going HPFP then a lot of the power gain comes from combustion efficiency and room to run more timing. Id save money and go with a HPFP or a downpipe instead.

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