When the exhaust mode is placed in “Sport” mode the exhaust system broadcasts an “Xtreme” level sound 6 decibels louder than the stock exhaust system. As the driver adjusts the exhaust mode to the “Normal” level, the exhaust produces an exhaust note more closely resembling a CORSA “Sport” level exhaust note. At Mishimoto we offer a variety of products such as intercoolers, catch cans, cold air intakes and more. Trust in Mishimoto’s expertise and commitment to quality to deliver exceptional products for all your automotive needs. Mishimoto exhaust systems utilize high-flow mufflers for minimal flow restriction.

Video Features Options Short video of our 3” Catback Exhaust for the 07+ Honda Civic Si Sedan. Note that this was installed on a naturally aspirated setup (stock header and… Already own an&nbsp