Unlock the Power Inside Your LS-Based Engine With These Nine Tips
The LSx engine is a popular choice among car enthusiasts due to its potential for high horsepower gains. It is also sought after due to the ease of installing the best LSx engine modifications. This includes motors such as the LS1 in the 90s Chevy Camaro or the LS6 from the ZO6 Corvette. By adding a few specific power-adders, you can further boost the performance of this already impressive engine.

One of the most popular upgrades for the LSx is a cold air intake from brands like K&N or SLP. This modification increases the amount of air that enters the engine, resulting in improved horsepower and torque. Another popular option is a performance exhaust system from brands like Borla or Magnaflow, which can add up to 15 horsepower and give your LSx a deep, aggressive tone.
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To further increase power, a high-flow throttle body from brands like BBK or Accufab is a great option. This modification allows more air to enter the engine, resulting in improved acceleration and power. A performance camshaft from brands like Comp Cams or Texas Speed can also make a big difference, especially when combined with other upgrades.

To keep your LSx running smoothly and reliably at higher horsepower levels, consider upgrading your fuel system with components from brands like DeatschWerks or Aeromotive. This can include larger fuel injectors, a high-flow fuel pump, and a fuel pressure regulator.

Finally, a good tune from brands like HP Tuners or Diablosport is crucial to optimizing your LSx’s performance with all of these modifications. A professional tune can also increase horsepower by adjusting timing and fuel curves to maximize power output.
With these specific LSx engine modifications, you can take your LSx engine to the next level and achieve impressive horsepower gains while maintaining reliability and performance.

Best LSx Engine Modifications Top Nine Checklist
- Upgrade the air intake system with a high-performance cold air intake from brands like K&N, SLP or Volant.
- Install a set of long tube headers from companies like Kooks or American Racing Headers to increase exhaust flow.
- Upgrade the exhaust system with a high-flow cat-back exhaust system from brands like Borla, Corsa or Magnaflow.
- Install a high-performance camshaft from companies like Texas Speed or Comp Cams to improve valve lift and duration.
- Upgrade the fuel system with a larger fuel pump, injectors, and fuel pressure regulator from companies like DeatschWerks or Aeromotive.
- Add a performance throttle body from companies like BBK or FAST to increase airflow to the engine.
- Install a high-performance intake manifold from companies like Holley or FAST to improve airflow and increase horsepower.
- Upgrade the ignition system with performance spark plugs and ignition coils from companies like NGK or MSD.
- Add a high-performance engine tune from a reputable tuner like Texas Speed or Black Bear Performance to optimize the engine’s performance.

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