243 WHP Honda Civic 
376 WHP Supercharged Acura NSX 
Engine Tech | Reflash, Piggyback & Stand-Alone ECUs 
532 WHP Acura RSX Type S 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 usRead More
Test & Tune: 2018 Honda Civic Type R | Hondata Fuel System Upgrade
Some 4,000-miles East of the United States, Honda engineers from the Swindon U.K. factory were tasked with the design ofRead More
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 stepRead More
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 whileRead More
Engine Tech | Fuel Octane in Relation to Engine Knock and How to Avoid it
What you feed your engine determines its ultimate performance. The nutritional performance needs of an engine are influenced by aRead More
Test & Tune: 2019 Honda Civic Si | Intake, Flashpro, Type R Clutch & E85
Honda fans have been raving about the Civic Type R for the past few years. After all, Americans have beenRead More
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 toRead More
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 theRead More
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+Read More
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 65mmRead More
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 withRead More
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 inexpensiveRead More
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 439Read More
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 exhaustRead More
MA Performance Stealth Exhaust | 2019 Civic Si Exhaust Showcase
MAPerformance MAP Stealth Catback Exhaust P/N – HDAX-CBE-SN The mildest version of MAperformance catback exhaust for the Honda Civic SiRead More