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Description
Racing Dynamics Catted Downpipe with Heat Sheild - BMW N55 3.0L / M135 / M235i / 335i / 435i / M2 F87PRODUCT DETAILS Catted downpipe with heat shield for BMW M135i M235i 335i 435i M2 F87 model with the 3. 0 liter turbocharged N55B30T0 straight 6 motor from 2015 2018. Eliminates the largest restriction in your exhaust with a 200 cell sport cat. Large input flange with 4" mandrel bent downpipe manufactured out of 304 stainless steel, TIG welded with brushed finish. For left & right hand drive models! Features: Large 4 1 2" inlet flange, 4" tubing and
PRODUCT DETAILS
Catted downpipe with heat shield for BMW M135i/M235i/335i/435i/M2 F87 model with the 3.0 liter turbocharged N55B30T0 straight 6 motor from 2015-2018. Eliminates the largest restriction in your exhaust with a 200 cell sport cat. Large input flange with 4" mandrel bent downpipe manufactured out of 304 stainless steel, TIG welded with brushed finish. For left & right hand drive models!
Features:
- Large 4 1/2" inlet flange, 4" tubing and straight-through design allows for maximum power and sound.
- Heat Shield to funnel the heat out the exhaust and lower temperature in engine compartment. Heat shield is used to protect surrounding parts,wires,and hoses against radiant heat from the downpipes,Integrated thermnal insulation reduces surface temperature up to 70%
- Straight-through tubing section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound
- Improves horsepower and torque significantly. Approximately 20 HP with a tune.
- Downpipe includes a 200 cell sport cataylitic converter for a cleaner enviroment
- Direct bolt-on replacement for OEM primary catalytic converters
- Less thermal load on the turbocharger
- Reduces turbo lag
These parts are intended for off road or track use only!
This product is sold for off road use only. It is not legal for use on public highways. This product is not for sale or use in California. It is available to our international customers for use within legal limits in their domicile.
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- We offer a 30-day return/exchange service after receiving.
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4.5 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Well written and thought-out approach to change DoD acquisition
Format: Hardcover
I'm a Navy acquisition manager and former Navy officer. I very strongly recommend this book as required reading for Pentagon (especially flag officers and SESs), congressional staffs, defense contractors and those who would be defense contractors, Silicon Valley companies, and everyone who cares about the future of the United States. The author expertly characterizes the current world situation and the issues with DoD acquisition practices. He is not brutal about it, but fair. He explains the background and history behind how we got to where we are, and identifies a path forward. I believe that following the approach recommended is very hard, but very worth while. The author worked for Senator McCain for almost ten years, and it is clear that this book benefits from his experience.
My only gripe (and it is a minor one) is that very occasionally the author allows his feelings about Trump to manifest in a negative way. This is often justified, but it shouldn't be so one-sided. Nevertheless, this book is must-read, and deserves five stars.
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Reviewed in the United States on January 2, 2021
★★★★★ 4
Very Educational
Format: Paperback
I enjoyed the book. I wish the average American would take more of an interest in these kinds of issues facing the U S in the China sea region of the world.
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Reviewed in the United States on February 7, 2024
★★★★★ 5
The Future Efficiency of Killing
Format: Hardcover
A sobering review of how to efficiently kill one another.
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Reviewed in the United States on October 21, 2025
★★★★★ 5
Must have for Officers
Format: Paperback
Very informative and easy to understand.
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Should be mandatory reading for police academies and be in every cops' patrol bag
This book should be mandatory reading for police academies and be in every cops' patrol bag for quick reference. I am a police officer (8+ years) and stay on top of search and seizure case law as much as possible. This book is easy to read and gets the essential information on everything that has to do with police search and seizure. The topics are easy to find, and all are no more than 1-2 pages. Every sections cites the appropriate case law and offers tips for articulating PC for that type of incident.
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Reviewed in the United States on February 12, 2018