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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GrimmSpeed Catback Exhaust System Un-Resonated | 2017 Subaru WRX STI Exhaust Shootout
GrimmSpeed Catback Exhaust System – Un-Resonated GrimmSpeed’s Catback Exhaust System – Un-Resonated for the WRX and STI consists of TIG-welded, 304 stainless-steel in four pieces. This model is unique in that it is designed to work with 2011-2014 and 2015+ models with its dual hangers, and it includes polyurethane mounting […]
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Extreme Turbo System Cat Back Exhaust | 2017 Subaru WRX STI Exhaust Shootout
Extreme Turbo Systems Cat Back Exhaust System (Burnt Tips) P/N – 2015-WRX-CB The Cat Back Exhaust System from Extreme Turbo Systems (ETS) is constructed from 304 stainless-steel in four pieces. This TIG-welded exhaust system utilizes 76.2mm piping with 1.5mm-thick walls, with a laser-cut flange at the down-pipe attachment point and […]
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Stopping Fuel Starvation With Holley HydraMat
We’ve all seen videos of race leaders stumbling over the last drops of fuel in their tanks, their engines sputtering and misfiring as fuel flow sporadically cuts out. Sometimes they are lucky enough to coast past the checkered flag in first place, other times the competition catches up and blows […]
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Race Safety Tech | The Right Setup Could Save Your Life
Many racing sanctioning bodies require drivers to be able to exit a stopped car in only seven seconds in the case of an emergency. This may not sound like a long time, but it can feel like forever when flames fill the vehicle cabin. All the while, the driver must […]
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Boosting to the Limits of the Civic’s TD03 Turbo
Excitement followed by immediate disappointment is what we experienced when we initially learned about the new Civic. We were ecstatic to hear that it would be turbocharged but those happy feelings were quickly deflated when we realized that it was only offered with a continuously variable transmission (CVT). After enough […]
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AEM Electronics CD-7 Dash and Data Logger
Whether it’s computers, phones, tablets, operating systems or music applications, Apple excels in treating its users like idiots but gets away with it by way of clever marketing. It removes control and functionality from its products while branding the changes as features. Thankfully, there are still people wiser than this […]
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Tune-Up Basics | The Ultimate Guide to Performance Maintenance
Even though today’s vehicles require less maintenance than ever before, there are still a number of items that need regular attention to keep them running just right. In this Tune-up Basics guide, we’ll cover the fundamentals that every car enthusiast should know from changing oil to setting tire pressure. Follow […]
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Ignition | The Ultimate Guide to Performance Maintenance
It only takes a spark to light a fire. But if the fire needs to be lit in a turbulent environment, as is the case with a combustion chamber, you’ll need the right equipment to reliably convert ignition voltage into a spark. During the power stroke of an internal combustion […]
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Fluids | The Ultimate Guide to Performance Maintenance
Powertrains are complex systems of metal components put under the stresses of heat and rotational forces to put a vehicle into motion. Healthy fluids play a key role in keeping everything working as intended. While different fluids have different applications, their end goal is to minimize friction, reduce heat and […]
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