Home Aeroflow AF8600-400 Aluminium Donut 4" Half

Aeroflow AF8600-400 Aluminium Donut 4" Half

NOW $96.20
Or 4 interest-free payments of $24.05
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

4" Aluminium Half Donut




Sold Per Half

Premium T6063 grade aluminium donuts from Aeroflow Performance are used to gain a tighter radius bend thAN our mandrel-bent tube. Primarily used for tight/compact installations which make it perfect for that custom Intercooler or Exhaust systems that require tight bends and corners. The donut cAN be cut at any degree of bend needed. These donuts will not corrode or rust like coated or painted steel pipes and are much lighter thAN stainless pipes. Aeroflow's aluminium, when welding produces contaminant free beads, for a show quality welding job! These donuts have a thick 2mm wall and are sold either by the half or complete full donuts that are welded on the outside only. Available in various sies and all have a 0.75:1 radius.

Shipping Information

Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.


The Kren Bits journey:

  • Order received — Day 0
  • With fulfilment — Day 1–2
  • Heading to courier — Day 2–4
  • Shipped — Day 3–7
  • Almost there — Day 5–10
  • Delivered — Day 5–14

Where your part ships from:

Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.


We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.


For more details, visit our Track Your Order page.

Product Enquiry

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