Once we receive and evaluate your OEM catalytic converter, refunds will be issued in the form of a MagnaFlow Visa® Prepaid Card valued up to $75. A Recycling for Refunds icon will appear in your cart to get the process started. Sign up for our newsletter to be the first to know about our latest products, offers and events at MagnaFlow.

This exhaust is going to sound the deepest and give you some nice pops and bangs, while also giving you real world WHP and TQ gains. We’ve seen as much as +12 WHP when we tested our turbo-back for the 2022+ Honda Civic! For this version, we do recommend a tune and a device like a Ktuner V2 or Hondata Flashpro to take full advantage. Since the OEM catalyst is replaced with the downpipe, the Turbo-back system is sold for Race Use Only. A cat-back exhaust system replaces the stock exhaust components from the catalytic converter back to the exhaust tips.

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