The Treadstone BMW 135/335 Front Mount Intercooler is one of the best performing direct bolt on intercoolers you can buy. Increase 15Hp with this basic bolt on, and up to 40hp with cars running increased boost. This intercooler is over 48% more internal flow area than stock and works with the stock piping for a complete bolt on upgrade This Treadstone Intercooler features precision bent sheet metal aluminum end tanks. Each Treadstone Intercooler is hand TIG welded in a jig for a perfect fit and pressure tested to 100 psi to ensure maximum performance. Our intercoolers cores utilize high density internal fin design with bar and plate construction.
Specifications:
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Intercooler core dimension: 6.25" tall, 21" wide and 5.5" thick
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2.5" inlet and outlet
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Good for up to 550whp
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Less than 1psi Pressure Drop
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766CFM
*Slight trimming of plastic bumper support required
