# @threepiece.us on Instagram

- **Type:** Video
- **Original URL:** https://www.instagram.com/p/DceL6J9CfKn
- **Gondola URL:** https://gondola.cc/posts/69722389-threepieceus-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/f52abce281.jpg
- **Posted:** 2026-08-25T17:35:27.000+00:00
- **Account Owner:** threepieceus (@threepiece.us) — https://gondola.cc/threepiece.us

## Caption

Four hundred cells per square inch is not what's holding your build back. A high flow cat at ~200 cpsi in a 3 inch downpipe is a rounding error next to your manifold and muffler — and the cat delete buys you P0420, rasp, and a failed inspection. Send it to the test pipe guy.

#ThreePieceUS #cars #wheels #highflowcat #catdelete #exhaust #downpipe #p0420 #carmods #buildnotbought

## Stats

- **Views:** 3,284
- **Likes:** 29
- **Shares:** 0
- **Comments:** 0

## Tags

p0420, buildnotbought, highflowcat, downpipe, exhaust, carmods, threepieceus, catdelete, wheels, cars

---
Copyright (c) Gondola