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The Turbosmart TS-1 7170 D4 turbocharger is a D4-frame unit with a 0.84 A/R compressor housing and external wastegate, presented as a direct turbocharger option for boosted engine builds. It targets users who need a robust D4 package with external wastegating for precise boost control, suitable for installations matching the D4 frame and the stated A/R size.
Turbosmart TS-1 Turbocharger 7170 D4 0.84AR Externally Wastegated
