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The giant 3" constant-diameter boost tubes are designed to promote non-restrictive airflow that eliminates backpressure and fits perfectly under the hood
Unlike cast pan on the market
Amplify your driving experience with a Fleece Performance Holset Cheetah Turbocharger
Sold as a complete set with valve springs
Banks Boost Tube Upgrade Kit 20-25 GM 6.6L Duramax L5P RCT-RC64B626717+1516KIT The giant 3" constant-diameter boostHave you upgraded your L5P with a cold air intake, maybe a programmer, but looking for some more power and boost? The factory intercooler pipes on each side of your intercooler are a measly 2. 5" diameter and built from a combination of plastic, rubber, and metal, making them highly susceptible to cracking, leaving you stranded on the side of the road. Banks massive 3. 5" boost tubes are the largest on the market, flowing more air than stock. Smooth
