Exhaust› Exhaust Pipes, Systems and Components
Dinan
FREEFLOW EXHAUST F3X 328I 428I; BLACK
SKU: D00G D660-0046-BLK
Moderate — 2–4 hours
Description
Part #: D660-0046-BLK
Dinan engineers designed the BMW 328i/428i exhaust to improve exhaust flow by reducing back pressure. resulting in increased power output and a great sporty sound that is civilized when you want it to be, and pleasantly aggressive under hard acceleration. Like all Dinan exhausts our 328i/428i Free Flow Axle-Back Exhaust is engineered to reduce low-RPM drone so the cabin of the vehicle is still intimate and not drowned in an excessively loud tone.
Features:
- More Power: +4 HP @ 6600 RPM, + 3 LB-FT @ 6600 RPM
- Drone abatement technologies used to reduce cabin resonance
- Enjoyably louder, sportier sound
- Twin 70mm (2.75") laser engraved, polished or ceramic blackexhaust tips
- 100% 304 stainless steel construction
- Uses the factory brackets and hangers for a factory-like fitment
Stainless Steel - Black Tips - F30/F31/F32/F33
Fitment
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Specifications
| Brand | Dinan |
| Part Number | D00G D660-0046-BLK |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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