• Milltek Secondary Catalyst Delete Pipe | BMW F80 M3 F82 M4

Milltek Secondary Catalyst Delete Pipe | BMW F80 M3 F82 M4

$469.73
$469.73
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Secondary catalyst delete pipe for BMW F80 M3 and F82 M4 models equipped with dual exhaust systems. This bypass pipe removes the secondary catalyst to improve exhaust gas flow and reduce backpressure restrictions caused by the factory secondary catalyst.

Fitment & Compatibility: Direct fit for use with Milltek Cat-Back Exhaust Systems. Compatible with both Milltek and OE primary downpipes. No modification required. Uses OEM mounting points and hangers.

Construction: T304L stainless steel, mandrel-bent tubing. Precision-engineered for factory-equivalent fitment and durability.

  • Fits: BMW F80 M3 (S55 engine)
  • Fits: BMW F82 M4 (S55 engine)
  • Designed for pairing with Milltek Cat-Back System
  • Works with OEM or Milltek primary downpipes
  • T304L stainless steel construction
  • OEM+ fitment — no cutting or welding required

Part of Milltek's comprehensive exhaust solution for modern BMW M performance cars, engineered to deliver measurable flow improvements when combined with a full cat-back system.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Milltek Secondary Catalyst Delete Pipe | BMW F80 M3 F82 M4

$469.73

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Can I return a part after it has been installed?

Generally, installed or used performance parts cannot be returned. We strongly recommend verifying vehicle fitment and inspecting the product before installation.

Can I cancel my order after it has been placed?

We begin processing orders as quickly as possible. If you need to cancel, contact us immediately. Once an order has entered fulfillment, been submitted to a supplier, or shipped, cancellation may no longer be possible.

Will this part fit my vehicle?

Fitment varies by year, make, model, trim, engine, and drivetrain. Use our vehicle fitment information to confirm compatibility. If you're unsure, contact us with your VIN and we'll help verify fitment before you order.

How do I know if this is the right upgrade for my build?

Not every upgrade makes sense for every vehicle or build. Tell us your vehicle, current modifications, and performance goals, and we'll help determine whether this product is a good fit.

Are the products you sell authentic?

Yes. We source products through established manufacturers and authorized distribution channels. We do not sell counterfeit or imitation performance parts.

Is professional installation recommended?

For most performance components, yes. Proper installation is critical for fitment, reliability, and performance. Some products may also require specialized tools, programming, tuning, or additional supporting modifications.