It’s no secret that higher boost pressure translates into higher torque and power outputs. Crank up the boost pressure, get more power. While many understand the merits of increasing the pressure of the air going into the cylinders, fewer understand the virtues of decreasing the pressure within the crankcase. While […]
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Quick Tech: HIDs the Right Way
WHETHER OR NOT YOU WANT TO ASSOCIATE BLUE AND purple headlights with the tuning market, the truth remains that many enthusiasts resort to plug-and-play high-intensity discharge (HID) light kits to increase headlight output. While some enthusiasts have begun to realize the shortcomings of dropping in these cheaply made HID kits, […]
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Quick Tech: A’PEXi SMART Accel Controller
We’ve entered a new age of technology in modern cars which in some ways is for the better and other ways for the worse. In terms of feel and response, electric power steering systems are efficient, but remove the level of detailed feedback that manual and hydraulic-assisted steering systems provide. […]
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Quick Tech: AUTO-BLiP Intelligent Downshifts Removes the Need for Heel-and-Toe Shifting
Manual transmission elitists need to get with the times. Driving an H-pattern gearbox is fun and makes you feel connected to the car, but it doesn’t hurt to leave some of the work to automated systems. This rings especially true if your main goal is improved performance, such as a […]
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How to Select the Right Roll Cage Protection | Race Safety Tech
Back in 2012, driver Jeremy Foley and co-driver Yuri Kouznetsov found themselves flying off the edge of a mountain during their run up the Pikes Peak International Hill Climb. The 550whp Mitsubishi Evo 8 took flight from the infamous “Devil’s Playground” corner at 70 MPH as the EVO glided into […]
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2017 Roll Cage Speed Shop
Choosing the best rollover protection is a daunting task. There are many different types of roll cages built for different levels of competition and performance. The first item to consider is whether or not you must meet the requirements of a sanctioning body and receive their stamp of approval. Then, […]
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HKS Legamax Premium | 2017 Subaru WRX STI Exhaust Shootout
HKS Legamax Premium P/N – 31021-BF01 HKS’ Legamax Premium Exhaust System for the 2015+ Subaru WRX STI features a polished finish and TIG-welded construction with 304 stainless-steel. This exhaust provides a simple installation, excellent fitment and clearances, and high quality construction all around. The components bolt together via stamped stainless […]
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Tomei – Expreme Ti Titanium | 2017 Subaru WRX STI Exhaust Shootout
Tomei Powered Expreme Ti Titanium Catback Exhaust P/N – 440018 The Tomei Powered Expreme Ti Titanium Catback Exhaust is unique in that it is the only titanium system and the only single-outlet system out of our test lineup. Given this configuration, the Expreme Ti exhaust features an 80mm pipe diameter […]
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XForce’s Stainless Steel 3-inch Catback System | 2017 Subaru WRX STI Exhaust Shootout
XForce Stainless Steel 3-inch Catback System with Varex Mufflers P/N – ES-SW26-VMK-CBS XForce’s Stainless Steel 3-inch Cat-Back System with Varex Mufflers is a very unique system, given its selling point of variable valve mufflers. A remote control or mobile app via Bluetooth enables users to control a set of valves […]
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TurboXS Catback Exhaust System | 2017 Subaru WRX STI Exhaust Shootout
TurboXS Catback Exhaust System P/N – WS15-CBE The TurboXS Catback Exhaust System features a TIG-welded, 304 stainless-steel construction. The pipe diameter spans 76.2mm with 1.5mm-thick walls, then reduces to 63.5mm after the Y-pipe split into the two mufflers. The pieces fit together with laser-cut 11.5mm flanges. This exhaust also includes […]
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Remark Cat Back Exhaust | 2017 Subaru WRX STI Exhaust Shootout
Remark Cat Back Exhaust The Remark Cat Back Exhaust is made from TIG-welded, 304 stainless-steel. The 76.2mm piping has 1.5mm-thick walls, and narrows down to 63.4mm after the Y-pipe into the muffler inlets. The four pieces fasten together via 8.6mm cast flanges and a 10mm laser-cut flange at the down […]
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SubiSpeed’s Quad Tip Catback Exhaust System | 2017 Subaru WRX STI Exhaust Shootout
SubiSpeed Quad Tip Catback Exhaust System P/N – quad-15wrxsti-ctbk SubiSpeed’s Quad Tip Catback Exhaust System features a TIG-welded, four-piece system made from 304 stainless steel. Weighing in at 35.4 lbs., it is one of the lighter stainless-steel options we tested. The pipe diameter spans 76.2mm before the Y-pipe, which then […]
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Mishimoto Cat-Back Exhaust | 2017 Subaru WRX STI Exhaust Shootout
Mishimoto Subaru WRX/STI Cat-Back Exhaust, 2015+ P/N – MMEXH-WRX-15 Mishimoto’s Cat-Back Exhaust for the 2015+ WRX and STI comes in four pieces made from TIG-welded 304 stainless-steel. The 76.2mm piping has 1.5mm-thick walls and attaches together with a laser-cut flange at the down pipe end, a slip-fit opening with clamp […]
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Magnaflow Competition Series Exhaust System | 2017 Subaru WRX STI Exhaust Shootout
Magnaflow Competition Series Exhaust System P/N – 15472 The Magnaflow Competition Series Exhaust System for the WRX and STI features a TIG-welded 409 stainless-steel construction with 76.2mm-diameter piping. Aside from the stamped steel flange at the down pipe end, the exhaust system utilizes slip-fit ends with clamps to secure the […]
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Injen Technology’s Catback Exhaust System | 2017 Subaru WRX STI Exhaust Shootout
Injen Technology Catback Exhaust System P/N – SES1206TT Injen Technology’s Catback Exhaust system for the WRX and STI features 76.2mm-diameter piping made from 1.5mm-thick 304 stainless-steel. The four pieces join together by way of cast flanges, 14mm thick at the down pipe and mid-pipe attachment points, and 11.5mm thick where […]
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