COBB Cat-Back Exhaust Hardware Kit
Not sure which option fits your application? Contact Us — we're happy to help.
COBB Cat-Back Exhaust Hardware Kit - Mazda3 MPS (BL)
This kit replaces the gaskets and fasteners for the COBB 76mm (3") stainless steel cat-back exhaust on the second-generation Mazda3 MPS (BL). Use it if the original hardware has gone missing or the gaskets need renewing when the exhaust is refitted.
Note: Suits the COBB Gen 2 Mazda3 MPS stainless cat-back exhaust only. Installation by a professional is recommended.
Features
- One 76mm (3") 2-bolt exhaust gasket and one 64mm (2.5") 2-bolt gasket
- Four zinc-plated flanged hex bolts, M10 x 1.25 with 35mm threads
- Four serrated flange hex nuts, M10 x 1.25
Pairs Well With
- COBB Cat-Back Exhaust - Mazda3 MPS (BL)
- COBB Stage 1+ Power Package - Mazda3 MPS (BL)
- COBB SF Airbox - Mazda3 MPS (BL)
Need help confirming fitment? Contact our team at sales@chicaneaustralia.com.au.
Product
- Brand
- COBB Tuning
- Part number(s)
- 572101-HW
Details
- Product type
- Cat-back exhaust hardware kit
- Gaskets
- 76mm (3") 2-bolt (x1), 64mm (2.5") 2-bolt (x1)
- Bolts
- Zinc-plated flanged hex, M10 x 1.25, 35mm thread (x4)
- Nuts
- Serrated flange hex, M10 x 1.25 (x4)
- Suits
- COBB Gen 2 Mazda3 MPS stainless 76mm (3") cat-back exhaust (572101)
Contents
76mm (3") 2-bolt exhaust gasket (1)
64mm (2.5") 2-bolt exhaust gasket (1)
Zinc-plated flanged hex bolts, M10 x 1.25 x 35mm (4)
Serrated flange hex nuts, M10 x 1.25 (4)

Need Help Finding the Right Part?
We’ll Track It Down for You
We know how frustrating it can be searching for the right part. If it’s not listed on our site, that doesn’t mean we can’t source it.
Fill out the quick form below and our team will track it down for you.

