Holden HQ HJ HX HZ Sedan Straight Ace 3 inch 409 Stainless Steel Exhaust System - Kuluin Mufflers

SKU: KM-straight_ace3
$1,665.00 $1,850.00
Tax included

Delivery and Shipping

All orders over $350 and shipped within Australia are FREE STANDARD SHIPPING!!!


We also offer instore pickup at: Demon Pro Parts, 1/107 Wells Rd Chelsea Heights, Vic, 3196

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Want it EVEN FASTER?! Call our team today about Overnight Shipping on 03 8766 8888

he KM Straight Ace 3 inch steel exhaust system is specifically designed for HQ / HJ / HX / HZ Holden sedans. This is a multi fit bolt on exhaust system to suit all V8’s and including engine swaps. The KM straight Ace system is extractors back, it includes adaptors to suit the extractors on your car. The system is made up of a “X” pipe, 2 KM 409 mufflers and under diff tailpipes. It is designed to be fitted in your shed or by your local mechanic.


  • Multi fit front pipes, allow for ease with installation with all extractor brands and engine combinations.
  • Mandrel band tubing.
  • Ease of installation.
  • Painted in High-Temp Exhaust Paint.

KM is a working shop on the Sunshine Coast, Qld. We are very proud of our products and are sure that you will be as excited about them as we are.

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