What are some good aftermarket upgrades or accessories that can enhance the cosmetic appeal or improve the performance of my car?

Carbon fiber trim kits can reduce weight by up to 50% without sacrificing structural integrity, making your car handling and braking more responsive.

High-performance air filters can increase horsepower by up to 10% by allowing more air to flow into the engine.

Coilovers can reduce your car's ride height by up to 1 inch, giving you a more aggressive stance and improving handling.

Adjustable shocks can improve handling by allowing you to fine-tune your ride height and stiffness to suit different driving conditions.

Big brake kits can increase your car's stopping power by up to 20% by providing more powerful and durable brake components.

Short throw shifters can reduce your shift times by up to 30% by allowing you to shift gears faster and more precisely.

Lightweight wheels can reduce your car's overall weight by up to 5 pounds per wheel, making it more efficient and improving handling.

Front splitter and rear diffuser kits can improve your car's downforce and reduce lift, making it more stable at high speeds.

Performance intake manifolds can increase your car's horsepower by up to 10% by optimizing airflow into the engine.

Cold air intakes can increase your car's horsepower by up to 5% by drawing in cooler air from outside the engine compartment.

Exhaust systems can increase your car's sound and performance by up to 10% by allowing for better airflow out of the engine.

LED lights can increase your car's visibility and safety by providing brighter and more directional lighting.

Performance engine control units (ECUs) can increase your car's horsepower by up to 15% by optimizing engine performance and efficiency.

Suspension upgrades can improve your car's handling and ride quality by up to 20% by providing better shock absorption and control.

High-performance brake pads can increase your car's stopping power by up to 10% by providing better heat dissipation and friction.

Lightweight wheels with high-performance tires can improve your car's handling and braking by up to 15% by providing better grip and traction.

Adjustable sway bars can improve your car's handling and stability by up to 20% by allowing for better suspension movement and control.

Throttle bodies can increase your car's horsepower by up to 10% by optimizing airflow into the engine and providing better throttle response.

Performance chip tuning can increase your car's horsepower by up to 15% by optimizing engine performance and efficiency.

Bilstein shocks can improve your car's speed and handling by up to 20% by providing better shock absorption and control.