Exhaust› Exhaust Pipes, Systems and Components

HKS

HKS Hi-Power 409 ER34 4dr RB25DET

$850.00

SKU: H005 31006-AN016

In Stock
In Stock
Ships by Sep 25
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The HKS Hi-Power 409 exhaust system is a cat-back system designed for the 1999-2002 Nissan Skyline 25GT ER34 4-door with an RB25DET engine. It features a 3.35-inch main tubing diameter constructed from 409 stainless steel, offering an aggressive and loud sound. The system includes a single rear exit with a 4.72-inch round HP-style stainless steel tip.
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Part #: 31006-AN016

Vehicle Symptoms
  • Loud exhaust drone at highway speeds
  • Rattling noise from under the car on acceleration
  • Decreased acceleration and throttle response
  • Visible rust or corrosion on exhaust pipes
  • Exhaust note sounds raspy or tinny
Relevant Conversations
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  • Best cat-back exhaust for Nissan Skyline ER34 4-door
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  • Skyline ER34 exhaust upgrade to improve turbo spool
  • 1999 Skyline 25GT exhaust system replacement guide
  • HKS Hi-Power 409 install time ER34
  • RB25DET exhaust drone fix cat-back
  • Nissan Skyline ER34 exhaust leak repair
  • HKS 31006-AN016 review forum
  • Upgrading exhaust on RB25DET before tune

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

BrandHKS
Part NumberH005 31006-AN016

Videos

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Nissan Skyline R34 GT-T (500HP) with HKS Hi-Power Muffler - Revs, Flames, Accelerations!

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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

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