Engine Tech | Reflash, Piggyback & Stand-Alone ECUs 
532 WHP Acura RSX Type S 
Engine Tech | Failure Analysis 101 
874 WHP Honda Civic Si Intake and Muffler Upgrades Breathe Life into the 2016 Mazda MX-5
Let’s not kid ourselves, the Mazda MX-5 is not and never was a fast car. Quick? Yes. Fun to drive?Read More
Tuning the GRB STI for More Power on E85
The very instant you drive a brand-new car off the lot, you have just lost thousands of dollars. The immediateRead More
Edelbrock’s Supercharger Solution for the BRZ/FR-S
Popular opinion is known to sway with the reveal of new information. This fact holds true for any segment fromRead More
Test And Tune: 2014 Mitsubishi Evo X MR l Adding Power with a Flash, Exhaust and Intake
EIGHT YEARS AGO, MITSUBISHI’S EVOLUTION X ASSUMED the duty of carrying the performance torch for the marque as its flagshipRead More
Test & Tune Part 3: Nissan Silvia S15 | Camshafts, Manifold, and 100 Octane Fuel
In the first two Test & Tune segments, our 2001 Nissan Silvia S15 gained a total of 68.9 horsepower byRead More
Test & Tune: 2001 Nissan Silvia S15 | More Airflow, More Boost, and + 36.3 WHP
In the first Test and Tune segment, our 2001 Nissan Silvia S15 illustrated how much of a difference quality aftermarketRead More
Test & Tune: 2010 Hyundai Genesis Coupe 3.8
A normally-aspirated 6-cylinder engine making 300 horsepower deserves some praise. Until recently, 300-horsepower required a V8 or some form ofRead More
Test & Tune: 2005 Mazda RX-8
Rotary versus Piston: The rivalry between rotary and piston owners has long been established before many of us were born.Read More
Test & Tune: 2011 Mitsubishi EVO X GSR Part 2 | More Power Under the Curve, Same Boost Levels
In our last installment of the Mitsubishi EVO X Test & Tune, we added an intake system and a turbo-backRead More
Test & Tune: Mazdaspeed3 | FWD Renegade
The import performance movement has always featured an ever-changing marketplace. During the ‘80s, the predominant weapons of choice were Mazdas,Read More
Test & Tune: 2001 Nissan Silvia S15 | Uncorking the Silvia’s SR20DET Engine
Rare and different. Two words that epitomize the Nissan Silvia S15. It carries a mystique almost as captivating as Nissan’sRead More
Test & Tune: 2011 Mitsubishi EVO X GSR | Big Power Gains for the 4B11
The Mitsubishi EVO X is still one of the most popular choices for tuners and for good reason. The 4B11TRead More
Mountune MP275 Power Package for Ford Focus ST
For most of us in the tuning market, warranty claims become a huge hassle when the dealer denies service basedRead More
2011 Subaru Impreza STI GVB Part 3
In our last STI GVB Test & Tune, we increased the EJ257’s operating efficiency with a bolt-on intake system, aRead More
2011 Subaru Impreza STI GVB Part 2
The last time we checked in on our Subaru STI sedan Test & Tune project, we extracted an additional 34.5Read More