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Abbreviations, Phrases, and Definitions
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Typical abbreviations and phrases used in the V6 Section.
A/F - Air / Fuel Ratio
ASP - A maker of Underdrive pullies
BBK - A performance company
Butterfly Valve - The throttle body control plate
CAI - Cold Air Induction
CARB # - A serial number that proves compliance with the California Air Resources Board emission regulations.
CAT - Short for Catalytic Converter
CEL - Check Engine Light
Chip - Reference to the Computer chip that controls the operation of the vehicle.
Crossover - Any type of mid-pipe which connects the pipes coming from the cats.
DC - Densecharger (AKA Tunable induction)
Donut - Exhaust flange gasket
Drone - A low frequency sound that usually occurs at a specific RPM while the engine is under load
Dumps - An exhaust setup which does not include cats, mufflers, or any pipes after the headers
EGR - Exhaust Gas Recirculation
Exhaust Flange - A coupler used to connect exhaust system components; usually found on headers-to-midpipe and midpipe-to-catback connections
FIPK - Fuel Injection Performance Kit (Developed by K&N)
Flows - Usually short for Flowmasters
H - A type of exhaust crossover pipe in the shape of an "H"
H/C/I - Short for Heads, Cam and Induction
Harmonic Balancer - Connected to the crankcase to reduce torsional vibration. Separate from 94-98 V6 crank pulley / integrated on 99-04 V6 crank pulley.
High-Flows - Usually meaning High Flow Catalytic Converters.
IAC - Idle Air Control
IAT - Incoming Air Temperature sensor
ID - Inside Diameter
LT - Long Tube Headers
Lower - Lower induction manifold
MAC - A performance company
MAF - Mass Air Flow sensor
Mandrel Bend - A bend in which the diameter of the pipe stays the same throughout
MIL - Malfunction Indicator Lamp
O/R - Off-Road. Typically used in reference to Off Road Exhaust pieces which are not street-legal
OD - Outside Diameter
ODP - Overdrive Pulley
OEM - Original Equipment Manufacturer
P/P - Port and Polish
P/S - Power Steering
PCV - Positive Crankcase Ventilation
Permatex - A maker of various gasket maker materials/silicones.
Plenum - Another way to say intake
Pre-cats - The first pair of catalytic converters on stock mustangs
R/R - Roller Rocker
S/S - Stainless Steel
Secondary cats - The second pair of Catalitic Converters on stock Mustangs. Also referred to as post-cats.
Shorties - Short tube headers
Single Port - Refers to 94-98 V6 Mustangs
Sniffer - Refers to Emissions testing
Snorkel - The stock air box silencer
Split Port - Refers to 99-04 V6 Mustangs
Take-offs - Stock exhaust taken off another car, usually a Mustang GT
TB - Throttle Body
Turn-downs - Exhaust piping turned downward directly after mufflers with no tailpipes
UDP - Underdrive Pulley
Upper - Upper induction manifold
Vert - Convertible
WOT - Wide Open Throttle
Y - A type of exhaust mid-pipe, joining two pipes into one pipe, a second "y" can be used to split the pipes for a "fake"-dual exhaust setup.
X - A type of exhaust crossover pipe in the shape of an "X"
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