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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
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Description
Dinan Free Flow Axle-Back Exhaust (Polished Tips) - 2017-2021 BMW 230iDinan engineers designed the BMW F22 230i 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 230i 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. The system
Dinan engineers designed the BMW F22 230i 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 230i 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.
The system is built with ease in mind and utilizes a simple bolt-on installation with included mounting hardware. It is made from 100% 16 gauge 304 stainless steel and will resist corrosion for years to come. The design features twin 3" ceramic black or polished and laser engraved exhaust tips for a tasteful, high-performance look that yields a maximum performance gain of 4 horsepower and 3 ft-lbs of torque. The factory computer-controlled exhaust valve is eliminated.
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 76mm (3") laser engraved, polished or ceramic black exhaust tips
- 100% 304 stainless steel construction
- Uses the factory brackets and hangers for a factory-like fitment
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Quality book
Format: Hardcover
My four year old grandson loved this book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
★★★★★ 5
Love dinasaurs and pizza....
Format: Hardcover
Its a fun book to read..
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Reviewed in the United States on April 14, 2026
★★★★★ 5
SILLINESS AND FUN
Format: Hardcover
I am so glad I purchased this book today! It is very silly, kid-friendly, and interactive with the reader. The surprise ending was a hoot. And who doesn't love pizza? Great buy.
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Reviewed in the United States on March 4, 2026
★★★★★ 5
Great book
Format: Hardcover
Wonderful illustrations and very cute story.
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Reviewed in the United States on November 23, 2025
★★★★★ 5
Twist ending
Format: Paperback
Such a cute book to read with little ones. I loved all the rhyming words and the twist at the end that no one saw coming. My preschool students give this book a big thumbs up.
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Reviewed in the United States on March 31, 2025