4" Extreme Duty Offset/Offset Muffler Delete

Open your exhaust right up for maximum flow and a hard, un muffled note. This Redback 4 inch muffler delete drops into the muffler section of your system when restriction and volume are the priority.

Built in Australia from 409 stainless with heavy duty 4 bolt flanges, it clamps up secure and shrugs off heat and corrosion, and it is backed by a 10 year warranty.

It suits Redback Extreme Duty exhaust systems using an offset to offset flange layout, so confirm your system matches before ordering.

• Material: 409 stainless steel tubing — corrosion‑resistant and suitable for high‑temperature exhaust applications.

• Pipe Size: 4″ (101 mm) internal diameter — ensures high exhaust flow capacity.

• Flange & Mounting: 4‑bolt, 10 mm thick flange plates ensure secure, vibration‑resistant joints.

• Configuration: Offset/Offset flange alignment — designed to match offset‑exit exhaust layouts.

• Finish: Premium heat‑proof paint coating — protects against heat, corrosion, and environmental exposure.

• Warranty: 10‑year manufacturer warranty — reflects confidence in durability and construction quality.

Excluded From Free Shipping.

We use Australia Post for most of our local deliveries.

You can expect most parcels within 5-12 business days from when it leaves our warehouse.

International deliveries may vary.

RETURNS
If you are unhappy with your 70 Series Store purchase for any reason, you have 30 days to return it for a full refund.

Note: The product needs to be in unused condition.

After we receive it back at our warehouse, you'll get a full refund within 5 business days.

Please contact us at hello@70seriesstore.com for more information.