Seville

Stage 2 SMARTTUNE LCD Performance Chip Module OBD2 ✅100% Safe for your vehicle ✅100% Plug-n-Play with zero cutting ✅100% Money back guarantee Unlock your Cadillac's engines hidden potential! Your engine from the factory is not tuned for...

Stage 3 Performance Chip OBDII Module for Cadillac 100% Safe for your vehicle! 100% Plug n Play with zero cutting! 100% Money back guarantee Upgraded Next Generation Multi-Core CPU Get Maximum Engine Performance for your...

Stage 1 Performance Chip OBDII Module for Cadillac 100% Safe for your vehicle! 100% Plug-n-Play with zero cutting! 100% Money back guarantee Cutting Edge OBD-2 Technology Unlock your engines hidden potential! Your engine from the factory is...

Stage 4 3-in-1 for Cadillac 2008+ Years Only TUNED Performance Logic Plus+ (PLP+) is unique in the way it can increase your vehicles performance while at the same time offering two additional features not found on our other performance modules...

✔ Compatible addition with all other modifications including performance tunes✔ Connects to your Battery Mega Performance Chip LCD Module Introducing the top of the line Mega Raizin performance voltage stabilizier with digital voltage display and...

✔ Compatible addition with all other modifications including performance tunes ✔ Connects to your Battery Introducing the Raizin performance voltage stabilizer. State of the art electronic voltage regulation technology! Increase your...

✔ Compatible addition with all other modifications including performance tunes✔ Connects to your Battery Voltage Performance Module LCD D1 D1 SPEC voltage stabilizer can improve audio quality, fuel economy, battery and increase torque, car...

Advanced OBD2 Code Reader Scanner Reads "Check Engine Lights" Our basic yet advanced OBDII reader can read your computers diagnostic codes. Have a check engine light on? Don't waste your time renting one!  Easy, simple connection to most...

Features: OBDII cable splitter, signal splitter. Compatible with Performance Chips and diagnostic tools with a 16 pin socket. Allows two devices to be connected simultaneously (Only 1 Performance Chip can be connected at a time). High-quality...

Need to mount your performance module further away? Do it easily with this flat thin extension cable! Features:OBD2 16 pin male to female extension cableCompatible with Performance Chips and Diagnostic OBD2 tools Flat "noodle" style cable prevents...

Fitment :Cadillac Seville SLS / STS (1998-2004) with 4.6L V8 Engine   Features   Boost horsepower and torque by up to 10% Made with T304 lightweight aluminum piping Engineered for exceptional filtration and high airflow Improves...

Sport Air Intake System  Fitment: Cadillac Seville SLS / STS (1998-2004) with 4.6L V8 Engine  Features Boost horsepower and torque by up to 10% Made with T304 lightweight aluminum piping Engineered for exceptional filtration and high...

The Iridium Difference Worlds smallest electrode tip at 0.4mm! This produces the hottest, most concentrated spark, while requiring the lowest voltage (5,000 less volts to fire than conventional spark plugs). For maximum performance under the most...

4x New Oxygen sensor complete set. Replaces all 4 O2 Sensors. Fixes your worn out O2 sensor problems that bring check engine lights. Also helps improve gas mileage lost!Direct Plug-In ReplacementInterchange Part Number: 234-4647 Fitment2001-05 Buick...

4x New Oxygen sensor complete set. Replaces all 4 O2 Sensors. Fixes your worn out O2 sensor problems that bring check engine lights. Also helps improve gas mileage lost!Direct Plug-In ReplacementInterchange Part...

Great for reducing under hood heat to protect your vital engine components. Just the right amount to fit most ram air intakes. For use on all internal combustion engines, diesel, rotary, 2 stroke, turbo charged, fuel. Wrap headers or exhaust to prevent...