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Exhaust› Exhaust Pipes, Systems and Components

PLM

3" Cat-Back Downpipe

$799.00 $509.25 Save $289.75

SKU: PLM-HFE-DP-CAT

In Stock
In Stock
Ships by Nov 7
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The PLM Power Driven Downpipe is a performance exhaust component designed for the Honda Civic 1.5T Turbo (2022+). It is constructed from 16-gauge 304 stainless steel with TIG-welded construction for durability. This downpipe features a 3-inch mandrel bend pipe and precision CNC machined flanges. It includes a 200-cell high-flow catalytic converter to improve exhaust flow.
Show original supplier description
The PLM Power Driven Downpipe is engineered to enhance the performance of your Honda Civic 1.5T Turbo (2022+) and compatible Acura Integra models (2023+). Crafted from robust 16-gauge 304 stainless steel with TIG-welded seams, this 3-inch diameter downpipe is built for longevity and optimal exhaust gas flow. It features precision CNC machined flanges for a secure fit and a 200-cell metallic core catalytic converter designed to improve flow while maintaining emissions compliance. Designed as a direct bolt-on upgrade, this downpipe connects seamlessly to either the PLM or OEM front pipe. The package includes necessary gaskets and hardware for a complete installation. While it increases exhaust flow for improved engine performance, the manufacturer states that an ECU tune is not required to see performance gains. This downpipe is compatible with the Honda Civic 1.5T from 2022 onwards, specifically 11th Gen Civic models, and the 2023+ Acura Integra. The product comes with a 1-year warranty from PLM.
Vehicle Symptoms
  • Check engine light for P0420
  • Sluggish acceleration with turbo lag
  • Decreased fuel economy
  • Rattling noise from exhaust area
  • Poor throttle response on acceleration
Diagnostic Codes
  • P0420 – Cat Sys Efficiency Below Threshold (B1)
Relevant Conversations
  • P0420 on 2022 Honda Civic 1.5T fix
  • best 3 inch downpipe for Civic Si 2022
  • PLM vs PRL downpipe comparison
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  • downpipe check engine light without tune
  • 2017+ Civic 1.5T downpipe upgrade costs
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandPLM
Part NumberPLM-HFE-DP-CAT
CategoryExhaust

Videos

PLM DOWN PIPE INSTALL FAIL

PLM DOWN PIPE INSTALL FAIL

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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