GruppeM RS4 Stock Intake vs. GruppeM Carbon Fiber Intake

The GruppeM RAMair intake system was recently tested on a 2008 Audi RS4 to verify performance gains. The results are summarised as follows:


Stock intake whp: 341.9 @ 7500 rpm GruppeM intake whp: 361.1 @ 7500 rpm
Stock intake trq: 296.7 lb-ft @ 3700 rpm GruppeM intake trq: 306.2 lb-ft @ 3700 rpm

Peak Gains: 21.5 whp @ 8300 rpm, 15.1 lb-ft @ 6700 rpm*
*Average gain of 15.3 whp and 12.4 lb-ft of torque from 4500-8500 rpm
Stock intake: 8.66-sec GruppeM intake: 8.38-sec*

60-120MPH TEST:
Stock intake: 10.9-sec GruppeM intake: 10.6-sec


The GruppeM arrangement showed a consistent improvement by 3F. When stationary or cruising at low speeds, the carbon fiber GruppeM air box kept air intake temperatures lower over the OEM plastic air intake, with less heat-soak when compared to the stock arrangement.

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