4WD - Four Wheel Drive
ABE - Axle Back Exhaust (basically the muffler)
ABS - Anti-lock Brake System
AC (A/C) - Air Conditioning
AFR (A/F) - Air Fuel Ratio
ARK - Anti Roll Kit (Swaybars)
ATDC - After Top Dead Center
ATX - Automatic Transmission
AWD - All Wheel Drive
BBK - Big Boost Kit
BCS- Boost Control Solenoid
BDC - Bottom Dead Center
BHP - Brake Horsepower
BOV - Blow Off Valve
BPU - Basic Performance Upgrade
BPV - another term you'll sometimes see referring to the recirculating BOV (bypass valve, backpressure valve, essentially the same thing, different acronym)
BTDC - Before Top Dead Center
CAI - Cold Air Intake
CARB - California Air Resourses Board
CAT - Catalytic Converter
CBE - Catback exhaust(the muffler, and midpipe, sometimes included the 2nd cat delete aka test pipe)
CC (C/C) - Cruise Control
CEL- Check Engine Light
CHMSL - Center High Mounted Stop Light
CMD - Combustion Management Device (piggy back tuning device)
COP - Coil-on-plug
CVVT - Continuous Variable Valve Timing (Mechanical parts in the engine that happen to change events/timing, nothing to do with spark/ignition timing)
DC - Duty Cycle
DP - Downpipe (sometimes includes 02 housing pipe or test pipe)
DSI - Dual Stage Intake
DSM - Diamond Star Motors
DTC - Diagnostic Trouble Code
EBC - Electronic Boost Controller
ECG - Engine Coolant Temp
ECM - Engine Control Module (sometimes referred to as ECU...Engine Control Unit)
ECU - Electronic Control Unit (vehicle's stock on-board computer)
EGR - Exhaust Gas Recirculation (as in "EGR Valve")
EGT - Exhaust Gas Temp
EWG - External Wastegate
FI (F/I) - Forced Induction or Fuel Injection
FIC - Fuel/Ignition Controller
FMIC - Front Mounted Intercooler
FP - Flex Pipe
FPR - Fuel Pressure Regulator
FSM - Factory Service Manual
FWD - Front Wheel Drive
FWHP - Front Wheel Horsepower
GVWR - Gross Vehicle Weight Rating (found on door sticker)
HID - High-Intensity Discharge Head Lamps
HU - Head Unit (Audio)
I/H/E - Intake, Headers, Exhaust
IAC - Idle Air Control (valve)
IAT - Intake Air Temp
IC - Intercooler
IIRC - If I Remember Correctly
IMRC - Intake Manifold Runner Control (control box for the DSI)
IRS - Independent Rear Suspesion
ITB - Individual Throttle Bodies
IWG - Internal Wastegate
LCA - Lower control arm
LED - Light Emmiting Diode
LEV - Low Emissions Vehicle
LSD - Limited Slip Differential
LTH - Long Tube Header
MAF - Mass Air Flow 9sensor)
MAP - Manifold Absolute Pressure [Sensor]
MBC - Manual Boost Controller
MCC - Master Control Center (Dynojet tuning software)
MD - Maxwell's Demon
MFI or MPFI - Multi-Port Fuel Injection
MIL - Malfunction Indicator Lamp
MOD - Modification
MTX - Manual Transmission
NA - Naturally Aspirated
N/A - Non-Applicable
NSFW - Not safe for work
NSPP- Next Stage Power Pro (piggy back tuning device)
OBD - On-Board Diagnostics
OE - Original Equipment
OEM - Original Equipment Manufacturer
ORP - Off-Road Pipe
PA - Power Axle (ECU tuning vendor)
PATS - Passive Anti Theft System
PCM - Powertrain Control Module
PCV - Positive Crankcase Ventilation (as in "PCV Valve")
PP - Port and polish
PRS - Passive Rear Steer
PSI - Pounds per Square Inch
PZEV - Partial Zero Emissions Vehicle
RCV - remote control valve or recirculating valve
RSB - rear sway bar
RWD - Rear Wheel Drive
RWHP - Rear Wheel Horsepower
SAP - Street Appearance Package
SC (S/C) - Supercharged
SD - Screamin' Demon Coil
SRI - Short Ram Intake
SRS - Supplemental Restraining System (airbags)
STS - Short Throw Shifter
TB - Throttle Body
TBE - Turbo-Back Exhaust (muffler, midpipe, downpipe, sometimes includes 02 housing pipe aka WCC delete)
TBI - Throttle Body Injection
TC (T/C) - Traction Control
TDC - Top Dead Center
TIP - Throttle Inlet Pressure [Sensor]
TMIC - Top mounted Intercooler
TPMS - Tire Pressure Monitoring System
TPS - Throttle Position Sensor
TQ - Torque
TSB - Technical Service Bulletin
TSB - Technical Service Bulletin
UDP - Underdrive Pulley
ULEV - Ultra Low Emissions Vehicle
VC - Valve Cover
VCT - Variable Cam Timing
VTEC - Variable Valve Timing and Lift Electronic Control
VVT - Variable Valve Timing
WB2 - Wideband 2 [Product from Dynojet, sensor that reads/reports your AFR]
WCC - Warm up catalytic converter (aka primary cat)
WGA - Wastegate Actuator
WHP - Wheel Horsepower
WOT - Wide Open Throttle
WTQ - Wheel Torque
ABE - Axle Back Exhaust (basically the muffler)
ABS - Anti-lock Brake System
AC (A/C) - Air Conditioning
AFR (A/F) - Air Fuel Ratio
ARK - Anti Roll Kit (Swaybars)
ATDC - After Top Dead Center
ATX - Automatic Transmission
AWD - All Wheel Drive
BBK - Big Boost Kit
BCS- Boost Control Solenoid
BDC - Bottom Dead Center
BHP - Brake Horsepower
BOV - Blow Off Valve
BPU - Basic Performance Upgrade
BPV - another term you'll sometimes see referring to the recirculating BOV (bypass valve, backpressure valve, essentially the same thing, different acronym)
BTDC - Before Top Dead Center
CAI - Cold Air Intake
CARB - California Air Resourses Board
CAT - Catalytic Converter
CBE - Catback exhaust(the muffler, and midpipe, sometimes included the 2nd cat delete aka test pipe)
CC (C/C) - Cruise Control
CEL- Check Engine Light
CHMSL - Center High Mounted Stop Light
CMD - Combustion Management Device (piggy back tuning device)
COP - Coil-on-plug
CVVT - Continuous Variable Valve Timing (Mechanical parts in the engine that happen to change events/timing, nothing to do with spark/ignition timing)
DC - Duty Cycle
DP - Downpipe (sometimes includes 02 housing pipe or test pipe)
DSI - Dual Stage Intake
DSM - Diamond Star Motors
DTC - Diagnostic Trouble Code
EBC - Electronic Boost Controller
ECG - Engine Coolant Temp
ECM - Engine Control Module (sometimes referred to as ECU...Engine Control Unit)
ECU - Electronic Control Unit (vehicle's stock on-board computer)
EGR - Exhaust Gas Recirculation (as in "EGR Valve")
EGT - Exhaust Gas Temp
EWG - External Wastegate
FI (F/I) - Forced Induction or Fuel Injection
FIC - Fuel/Ignition Controller
FMIC - Front Mounted Intercooler
FP - Flex Pipe
FPR - Fuel Pressure Regulator
FSM - Factory Service Manual
FWD - Front Wheel Drive
FWHP - Front Wheel Horsepower
GVWR - Gross Vehicle Weight Rating (found on door sticker)
HID - High-Intensity Discharge Head Lamps
HU - Head Unit (Audio)
I/H/E - Intake, Headers, Exhaust
IAC - Idle Air Control (valve)
IAT - Intake Air Temp
IC - Intercooler
IIRC - If I Remember Correctly
IMRC - Intake Manifold Runner Control (control box for the DSI)
IRS - Independent Rear Suspesion
ITB - Individual Throttle Bodies
IWG - Internal Wastegate
LCA - Lower control arm
LED - Light Emmiting Diode
LEV - Low Emissions Vehicle
LSD - Limited Slip Differential
LTH - Long Tube Header
MAF - Mass Air Flow 9sensor)
MAP - Manifold Absolute Pressure [Sensor]
MBC - Manual Boost Controller
MCC - Master Control Center (Dynojet tuning software)
MD - Maxwell's Demon
MFI or MPFI - Multi-Port Fuel Injection
MIL - Malfunction Indicator Lamp
MOD - Modification
MTX - Manual Transmission
NA - Naturally Aspirated
N/A - Non-Applicable
NSFW - Not safe for work
NSPP- Next Stage Power Pro (piggy back tuning device)
OBD - On-Board Diagnostics
OE - Original Equipment
OEM - Original Equipment Manufacturer
ORP - Off-Road Pipe
PA - Power Axle (ECU tuning vendor)
PATS - Passive Anti Theft System
PCM - Powertrain Control Module
PCV - Positive Crankcase Ventilation (as in "PCV Valve")
PP - Port and polish
PRS - Passive Rear Steer
PSI - Pounds per Square Inch
PZEV - Partial Zero Emissions Vehicle
RCV - remote control valve or recirculating valve
RSB - rear sway bar
RWD - Rear Wheel Drive
RWHP - Rear Wheel Horsepower
SAP - Street Appearance Package
SC (S/C) - Supercharged
SD - Screamin' Demon Coil
SRI - Short Ram Intake
SRS - Supplemental Restraining System (airbags)
STS - Short Throw Shifter
TB - Throttle Body
TBE - Turbo-Back Exhaust (muffler, midpipe, downpipe, sometimes includes 02 housing pipe aka WCC delete)
TBI - Throttle Body Injection
TC (T/C) - Traction Control
TDC - Top Dead Center
TIP - Throttle Inlet Pressure [Sensor]
TMIC - Top mounted Intercooler
TPMS - Tire Pressure Monitoring System
TPS - Throttle Position Sensor
TQ - Torque
TSB - Technical Service Bulletin
TSB - Technical Service Bulletin
UDP - Underdrive Pulley
ULEV - Ultra Low Emissions Vehicle
VC - Valve Cover
VCT - Variable Cam Timing
VTEC - Variable Valve Timing and Lift Electronic Control
VVT - Variable Valve Timing
WB2 - Wideband 2 [Product from Dynojet, sensor that reads/reports your AFR]
WCC - Warm up catalytic converter (aka primary cat)
WGA - Wastegate Actuator
WHP - Wheel Horsepower
WOT - Wide Open Throttle
WTQ - Wheel Torque