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World class support included
Typical aftermarket flex sections found on many cheaper exhaust parts are the primary failure point
but also shows that like us
all without the shocks loading the tires
Even the factory K03 and K04 turbochargers are capable of taxing this system
Integrated Engineering Valve Spring & Retainer Kit | C7 S6 · S7 · RS7 · D4 A8 · S8 | 4.0L Turbo V8 F10 M5 4.4L Turbo V8 [S63] World class support includedThe IE Performance Valve Spring & Titanium Retainer kit features optimized spring rates specifically designed for your Audi 4. 0TT EA824 engine (C7 C7. 5 S6, S7, RS7, & D4 S8). Engineered with exacting specifications to provide proper valve control preventing valve float in high power and high revving applications. Features: Protects against engine failure from valve float Safely increase your rev limit and power band Specialty nano peened springs for
