KM Straight Ace 3 inch 409 Stainless Steel Exhaust System

KM Straight Ace 3 inch 409 Stainless Steel Exhaust System


The 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.

SKU: straight_ace3 Categories: ,


**NOTICE** We will be adjusting our pricing structure on our range of products. As a company committed to providing you with the highest quality products and services, this decision was made after careful consideration and evaluation of various factors, including but not limited to, changes in production costs, market trends, and economic conditions. We are maintaining high quality products made and sourced here in Australia.**



  • 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.

For more information please check us out on YouTube and Facebook- Kuluin Mufflers


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