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.
RELATED: Top 10 Fastest Pontiacs Of All Time
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.

Want to stay quick off the line? Check out our top tire picks for your classic Muscle Car Here!
Note To Reader: Car Nut Chronicles is reader supported. We may post content which contains links to affiliate sites such as Amazon where we may earn a small commission. This helps us keep the lights on and the articles you enjoy being produced. Thank you for your readership, we appreciate you!

DIY Car Maintenance Basics for 2026: Handling It Yourself
Shop labor rates in 2025 are sitting between $170 and $240 an hour pretty much everywhere now, according to the…
1970s Muscle Car Paint Restoration: Tips to Nail A Classic Look in 2025
Hey there, Car Nut Chronicles crew, I figured it’s the perfect time to dive into one of my favorite topics:…
Still Hot? The Jaguar XJS 50th Anniversary in 2025
A Deep Dive into This British Beauty’s Legacy: XJS 50th Anniversary Hey folks, if you’re like me, a total car…
Amsoil vs Mobil 1: An Expert Comparison of Synthetic Oils
When it comes to the world of synthetic motor oils, the brands AMSOIL and Mobil 1 often find themselves at the center of discussion. Comparing these two may not just reveal subtle differences in their chemical formulations but also affect your vehicle’s operation. Both brands have a history of innovation…
Ranking Every Stickshift Car for Sale in America by Number of Gears
Get Ready to Shift into High Gear! Every Manual Transmission Car Ranked. Manual transmissions have been around for a long time, but their popularity has declined over the years. Once the norm, they are now considered a luxury or convenience option. However, there are still some manual transmissions available in…
Ford Recalls In 2024 Are Unparalleled, 1.8M Now Impacted
Detached Trim Woes: Ford Recalls in 2024 Surge as 1.8 Million Explorers Face Safety Concerns As of January 24, Ford recalls in 2024 are already making strides toward surpassing its total count from the previous year, and given that Ford was the most-recalled automaker in 2023 by a considerable margin,…
2025 Mazda CX-70: More Of The Same But Now Fun-Sized!
The 2025 Mazda CX-70 Perfectly Clones The CX-90 Into A Mid-Size SUV Mazda is making waves in the automotive industry with the introduction of its newest contender in the fiercely competitive mid-size SUV market: the 2025 Mazda CX-70. Building upon the success of its predecessor, the CX-90, Mazda has crafted…
Outpacing Time: The Iconic Dodge Charger
Discover the timeless allure of the Dodge Charger. From its iconic roots in the 1960s to the modern-day roar of HEMI V8 engines, explore the evolution of this American muscle legend. Uncover the perfect blend of power, design, and technology that defines the Charger’s enduring legacy. Buckle up for a…
Restoring Rare Muscle Cars: Proven Tips for Authentic Renovations
Restoring a rare muscle car is an endeavor that involves meticulous attention to detail and a deep appreciation for automotive history. Reviving these powerful symbols of American ingenuity requires not only a passion for classic muscle cars but also an understanding of the intricate restoration process. These vehicles, from the…

