• Milltek 80mm Non-Resonated Downpipe Back Exhaust | BMW X3 G01 - Carbon Fibre Tips

Milltek 80mm Non-Resonated Downpipe Back Exhaust | BMW X3 G01 - Carbon Fibre Tips

$6,028.38
$6,028.38
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Milltek 80mm Non-Resonated Downpipe-Back Exhaust System for the BMW X3M G01 with S58 engine. Direct factory replacement that removes the OEM resonator, delivering a more aggressive character and a measurable volume increase over stock. Twin outlet configuration with hand-finished JET-115 carbon trim finishers.

Constructed from T304Lstainless steel. Mandrel-bent piping maintains scavenging efficiency while the non-resonated design emphasizes the S58's mid-range punch. Uses OEM hangers and requires no modification to the vehicle. Verify the engine code (S58) before ordering.

Fitment & Compatibility

  • BMW X3M / X3M Competition (G01) 3.0 S58, LCI, 2022 and later
  • Downpipe-back configuration with secondary cat bypass
  • Twin outlet, hand-finished carbon fibre trims
  • T304L mandrel-bent stainless steel throughout
  • Uses OEM exhaust hangers and mounting points
  • Non-resonated for track and closed-course use

Part number SSXBM1218.

Designed and manufactured in the UK with over 40 years of performance exhaust heritage. Nurburgring tested.

Milltek 80mm Non-Resonated Downpipe Back Exhaust | BMW X3 G01 - Carbon Fibre Tips

$6,028.38

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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.