* Butterfly has smaller bore to avoid engine failure/choking

HARDRACE:6576

An engine's camshafts must be set at their proper positions relative to the crankshaft in order to maximize horsepower

** For AUDI TT

Manufacturer Code MMOC-MIA-99T

Mishimoto 57mm to 63mm Transition Coupler Black TITOLO:Manufacturer Code MMCP-22525BK * Butterfly has smaller boreMishimoto has developed a silicone transition coupler that measures 2. 25" to 2. 5", available in black, blue, red, purple, green or white. Length: 3. 0" Thickness: 4mm ID: 2. 25" OD: 2. 5" ID: 2. 55" OD: 2. 8" 100% silicone construction Heat resistant embedded fibers High heat and pressure tolerances Mishimoto Lifetime Warranty Manufacturer Code MMCP 22525BK