Button DNA
Oak Flats / Est. 1968

Hand-built exhaust
since the South Coast
roared.

MIG and TIG welds, ADR-compliant catbacks, and full Manta installs — fitted at the Oak Flats bay that's been welding stainless under Illawarra utes since 1968.

Book a workshop slotView Manta catalogue
  • 1968Workshop opened
  • 12+Illawarra suburbs
  • ADRCompliant systems
  • MantaPartner since 2014
Trade partners

Tow yards, panel shops, and fleet customers.

  • Stratos
  • Panelworks
  • Orbital Tow
  • Voltbox
  • Stripeline
  • Apex Freight
Why Mufflermen

What every Oak Flats install includes.

Eight reasons our cars come back. Every one of these is part of the standard sign-off.

  • ADR-compliant

    Every catback we fit is stamped against ADR 83/00 and ADR 28/02 at the front desk.

  • MIG + TIG fusion

    Stainless TIG joints, MIG mounting welds. Argon-purged. Pressure-tested before sign-off.

  • Manta partner

    Authorised Manta installer since 2014. Cat-3 inch, 3.5 inch, twin tip from the cage.

  • Dyno-tuned

    Pre and post-fit dyno runs at Albion Park. Every install ships with a torque sheet.

  • Mobile bay

    Mufflermen ute attends Wollongong, Kiama, Shoalhaven. Stainless welds done roadside.

  • Same-week booking

    Drop your ute Monday, drive it home Wednesday. Caravan rigs slotted 5 days out.

  • Oak Flats workshop

    Two bays at 47 Central Ave. Lift-equipped pit room one. Hoist + dyno pit room two.

  • Lifetime backstop

    Joints we welded come with a lifetime crack guarantee. Bring the ute back. We fix it.

3 INCH STAINLESS · TIG-WELDED
The catback

Mandrel-bent in one piece — three inch stainless throughout.

We mandrel bend our catbacks from a single length of 304-grade stainless steel. No crush-bent radii. No off-cuts welded in the middle.

  • 304-grade stainless, 3-inch or 3.5-inch ID
  • Mandrel-bent — never crush-bent
  • Manta-spec fit for HiLux, Ranger, BT-50
See catback options
OAK FLATS · ILLAWARRA · 12 SUBURBS
The coverage

Mobile bay on every Illawarra suburb between Wollongong and Gerroa.

When you can't bring the rig in, the Mufflermen ute attends. Stainless TIG welds done bay-side. Larger fabrication comes back to Oak Flats.

  • Mobile bay services 12 suburbs
  • Wollongong to Gerroa
  • Trade rig priority bookings
Coverage map
Mufflermen, by the numbers

58 years. 14,200 utes. One pit on Central Ave.

The South Coast workshop, weighed and measured.

  • Years on Central Ave
  • Utes & rigs fitted
  • Illawarra suburbs
  • Lifetime weld
What our drivers say

Five-star reviews from Illawarra utes, caravans, and old-school muscle.

  • Catback fitted in a morning. Sounds factory at idle, deep on boost. Joints look like jewellery.

    Dale MunroAlbion Park · Ranger XLT

  • Took our caravan tow rig in for a noise check. Found the cracked flange, rewelded under TIG, and didn't pad the bill.

    Sue HennesseyShellharbour · Iveco Daily caravan

  • Mobile bay came to my Kiama yard. Welded a stainless tip on the spot. Cleaned up better than any shop I've used.

    Tom DaviesKiama · HiLux SR5

  • Manta install on the BT-50. Boys at Oak Flats matched the bracket pattern and threw in the dyno sheet.

    Aaron CopeWollongong · BT-50

  • Welds have held twelve years. No cracks on the cat, no leaks at the flange. Best stainless on the South Coast.

    Glenys WatsonOak Flats · HQ Premier

  • Quoted Monday. Booked Wednesday. Done by Friday. Honest pricing, no padded labour.

    Brent SialanaDapto · Triton GLS
How a Mufflermen install runs

From quote to kerbside — five steps, five days.

The standard install pipeline. Stage 2 dyno tune adds a day. Caravan rigs add two.

  1. Quote

    Send ute model, photo, and postcode. We respond in writing inside 24 hours.

  2. Book

    Pick a Stage 1 or Stage 2 slot. Bay locked. Manta parts pulled from the cage.

  3. Fit & dyno

    TIG welds laid. Pre and post dyno run at Albion Park. Torque sheet signed off.

  4. ADR sign-off

    ADR 83/00 docket stamped against your VIN. Lifetime crack warranty on every Mufflermen weld.

  5. Drive away

    Pick up your ute Wednesday. Sound check on the kerb. Coffee on the front desk.

Workshop pricing

Three packages. One bay. One torque-tested signature.

Pricing is per ute, per bay, fitted on-site at Oak Flats.

Three packages. One bay. One torque-tested signature. — feature comparison
FeatureBay VisitDrop-in muffler swapMost popularStage 1 CatbackManta 3-inch stainlessStage 2 Twin TipCatback + dyno tune
MIG mounting weldBracket and hanger fixings
Argon-purged TIG304-grade stainless joints
Manta tip + heat shieldPolished or blued finish
Pre/post dyno sheetAlbion Park dyno cell
ADR 83/00 stampedCompliance docket included
Workshop hirePer bay-hour bracket1 hr3 hr5 hr
Lifetime warrantyCovers our welds
Asked in the bay

The three things every driver asks first.

Every Mufflermen catback ships with an ADR 83/00 stamp logged against your VIN at the Oak Flats front desk.