SPEED PERF6RMANC3 - 1000whp Focus RS on the Dyno

SPEED PERF6RMANC3 - Another Ecoboost Mustang Head Gasket Failure

Why a tank of 93 costs $8,000+

Speed Perf6rmanc3 - Milling a Cylinder Head After Head Gasket Failure

Speed Perf6rmanc3 - Shop Focus RS: Pop & Drop Install + Stock Turbo runs 11.33 on 1/4 mile

Stock Turbo MS3 vs Stock Turbo ST

SPEED PERF6RMANC3 - The Sauce 2.5L - Corksport CST6 558whp on 93oct

Mazda Mazdaspeed Thermostat Comparison: Mazdaspeed3/6 CX7

ECOBOOM?! Another Ecoboost Blows Head Gasket!

Tearing Down an Ecoboost 2.3L Vented Long Block

Ford Focus RS Makes 536whp On SP63 Dyno

Ford Focus RS w/ NX2 Turbo Makes 500whp on "87" Octane

Ford Focus RS maxes out Drop-in NX2 Turbo on SPEED PERF6RMANC3's Dyno

Monster Mazdaspeed 2.5L Murders 800WHP Dyno Session

Speed Perf6rmanc3 - Firing Under Pressure

Focus RS Cracks Block Part 1

Speed Perf6rmanc3 Cutting Groove for Cylinder Head Copper O Ring

Speed Perf6rmanc3 Built 2.5L Mazdaspeed3 makes 790whp on the dyno!

Speed Perf6rmanc3 Injector Servicing