HKS Super Turbo Muffler Titanium Cat Back Exhaust Subaru WRX / STI 2015-2021 | 31029-AF013V

This HKS Super Turbo Muffler Titanium Cat Back Exhaust is a perfect fit for 2015 - 2021 Subaru WRX and STI models. It offers multiple great features. First, it significantly improves exhaust flow, reduces turbo lag, and boosts power, performance, and low - end torque. Made of high - quality Titanium (TP270), it's both durable and lightweight. The tip diameter is 3.54 inches and the main tip diameter is 2.36 inches. The sound profile is quite appealing with VAB:85dB (70dB) / VAG:81dB(57dB). One of the most remarkable things is that it cuts the weight from 51lbs to just 29lbs. Once you install it and step on the accelerator, you'll enjoy a dry and sporty exhaust sound inside your vehicle. The titanium construction allows for a significant 13.4kg weight reduction, about 50% of the existing SUS STM, without sacrificing any performance.

Using this HKS exhaust is straightforward. First, make sure your vehicle is a 2015 - 2021 Subaru WRX or STI. Then, follow the installation instructions that come with the exhaust to install it properly. When driving with the exhaust, you'll immediately notice the improved performance and the great sound. As for maintenance, regularly check the exhaust for any signs of damage or loose parts. Keep it clean by washing it with mild soap and water. Avoid using abrasive cleaners as they can damage the titanium finish. Also, if you live in an area with a lot of salt on the roads, rinse the exhaust more frequently to prevent corrosion. If you have any problems or questions, don't hesitate to contact the HKS customer service.