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…
WATCH NOW: This 1957 Dual-Ghia Convertible Roars To Auction
A Timeless Classic: The 1957 Dual-Ghia Convertible In the world of classic cars, there are few names that evoke as much nostalgia and admiration as the Dual-Ghia. A true embodiment of mid-century luxury and style, the 1957 Dual-Ghia Convertible stands as a testament to the collaboration between Italian coachbuilder Ghia…
New Nissan Z coming in 2024 is Absolutely Brilliant
A Fusion of Past Glory and Present Power in the new Nissan Z The all-new Nissan Z, a testament to the brand’s sports car legacy, channels the spirit of its predecessors with subtle design nods while injecting more power and driving satisfaction than ever before. Since its debut in 1969,…
Subscription-Based Car Services Are Here To Stay; Unfortunately.
In recent years, the automotive industry has seen a paradigm shift with the advent of subscription-based car services. Not to be confused with traditional leasing or purchasing models, these services offer consumers a flexible and cost-effective alternative. The concept allows drivers to access a range of vehicles for a monthly…
Eagle Talon vs Mitsubishi Eclipse: A Comparison
The Eagle Talon and Mitsubishi Eclipse were two vehicles developed under the DSM (Diamond Star Motors) collaboration between Chrysler and Mitsubishi. So the question, “Mitsubishi Eclipse vs Eagle Talon” which is better and what are the differences? Both models shared the same platform, engines, and transmissions, but featured unique body…
Superbowl Car Ads Are Dead, Now What?
Stellantis opts Out of Super Bowl Ads Amidst Car Industry Challenges Automaker Stellantis, the parent company for Dodge and Jeep, has decided to skip their traditional Superbowl car ads this year, as confirmed by the company on Friday. The move is attributed to the company’s commitment to preserving business fundamentals…
2018 Ford GT Draws A Unique And Vibrant Crowd
FOR SALE: Absolutely Stunning 222-Mile 2018 Ford GT If speed and style are what you’re after, look no further than this stunning 2018 Ford GT. With only 222 miles on the odometer, this American-made beauty is a rare find that promises both performance and prestige. Specifications: Make: Ford Model: Ford…

