RS4 Limo 2.0 – S4 / RS4 Naturally-Aspirated Heads on the Flowbench at NG – Part 2
10/13/2020
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Today we're at NG Motorsports in Helpsen taking a look at the new cylinder heads for the Limo 2.0. Alongside maximum port work including larger valves and special heat-resistant valve seat rings, we're also testing a ceramic coating meant to retain heat in the exhaust stream.