Quick Tech | Cooling System Pressure Check

During the chase for more horsepower, we often neglect the rest of our systems. While our engines could provide us with plenty of power to put smiles on our faces, failing to address other systems that keep our engines running reliably could quickly eliminate these smiles. Since heat is the […]

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2019 Honda Civic Si Sedan Exhaust Showcase

Considered to be one of the first go-to upgrades, choosing the right aftermarket catback exhaust system is an important step in every car enthusiast’s upgrade path. Each exhaust system on the market offers a unique sound character, hardware, looks, and affects the car’s performance differently. You simply can’t choose one […]

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Engine Tech | G54B Head Development

Simple answers deliver convenience over accuracy. The simple answer to why Mitsubishi’s 4G54B engine struggled to deliver serious performance while its 4G63 engine shined is usually attributed to the number of valves per cylinder. While this answer is convenient, it’s far from accurate. The number of valves per cylinder is […]

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DTE Systems | 2020 Toyota Supra

It has been four months since the Supra A90 went on sale. We’re already seeing tuners modifying the Supra to run nines and tens in the quarter-mile. The Supra is not a car that you leave stock. While some enthusiasts criticize the collaboration with BMW for the 2020 Supra, the […]

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Engine Tech | Material Hardness Testing

It’s a little-known fact that the “end bug” at the end of every story ever written in DSPORT is the tip of a hardness tester. Specifically, the shape follows the indenter used for Rockwell C testing. We came up with the name Hard Media to describe the audience and goal […]

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27Won Exhaust | 2019 Civic Si Exhaust Showcase

27WON Performance 2017+ CIVIC SI Sedan Front-Pipe Back Exhaust P/N – FC1-6-101-10 The 27Won performance catback exhaust for the 2017+ Honda Civic Si features a unique, unorthodox design. The dual asymmetrical tips fill the space of the factory exhaust, with a unique design, a clean, high-gloss finish, and a water […]

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HKS Exhaust | 2019 Civic Si Exhaust Showcase

HKS Hi-power Muffler for HONDA Civic Si SEDAN P/N – 31006-BH002 The HKS hi-power exhaust system features a large 65mm diameter pipe that should reduce exhaust pressure significantly. The system weighs just 30.2-pounds, making it approximately 13-pounds lighter than the factory system. It features a single resonator and a single […]

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GReddy Exhaust | 2019 Civic Si Exhaust Showcase

GReddy Performance Products Supreme SP Exhaust P/N – 10158217 The GReddy performance products’ supreme sp exhaust system comes equipped with two mufflers and a refined exhaust note. The system comes to life under aggressive, full-throttle driving, while staying tame during normal driving. Constructed from 304 stainless steel material, the system […]

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Borla Exhaust | 2019 Civic Si Exhaust Showcase

Borla Exhaust BORLA Exhaust for the 2017+ Honda Civic Si P/n – 140777 The Borla catback exhaust offers an inexpensive way to tremendously improve your 10th-generation Civic Si’s exhaust note. Constructed from 304 stainless steel, the five-piece, TIG-welded system uses a single muffler design with a single resonator. Weighing in […]

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ATLP Exhaust | 2019 Civic Si Exhaust Showcase

ATLP Performance Exhaust System P/N –  ES00017 The ATLP exhaust for the 2019 Honda Civic Si is constructed from 439 stainless steel material. It features a three-piece, TIG-welded design with no resonators and a single muffler. The flanges are 9.5mm laser cut, with dual 100mm double wall straight tips. ATLP, […]

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Invidia Exhaust | 2019 Civic Si Exhaust Showcase

Invidia USA 70mm Civic Si 4D Gemini TI Tip Exhaust P/N – HS17CS47GM3ST Invidia’s new high performance gemini catback exhaust graces the rear of the car with three large 110mm slant cut tips with a burnt finish. The three-piece TIG-welded exhaust features a single resonator and three small mufflers. Constructed […]

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