Integrated Engineering HoldStrong Head Studs | B9 S4 · S5 · SQ5 · RS5 F26 X4 M40i 3.0L Turbo I6 [N55] The overall surface area of

The overall surface area of the intercooler has increased by 30% providing more cooling capabilities

By eliminating the incredibly restrictive OEM F80 M3 and F82 M4 mid pipe

Available with or without the matching direct-fit IE Cold Air Intake Kit

but it's not the whole story

Integrated Engineering HoldStrong Head Studs | B9 S4 · S5 · SQ5 · RS5 F26 X4 M40i 3.0L Turbo I6 [N55] The overall surface area ofMeet your ultimate defense against head lift. iE HoldStrong Head Studs are engineered and manufactured for structural integrity to go toe to toe with the demands of high output engines. Theyre made to keep your engine together and sealed tight using a rolled thread process, chromium based H11 tool steel and aircraft grade J threads for maximum strength. Its not rocket science, but its close. Our chromium based H11 tool steel alloy is known for its use