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BMW 5-Series (G30) Forum Engine, Exhaust, Drivetrain, Tuning Modifications Stone Exhaust B58 Eddy Downpipe ** NO CEL GUARANTEE **

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      05-03-2019, 12:12 AM   #1
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Talking Stone Exhaust B58 Eddy Downpipe ** NO CEL GUARANTEE **



Eddy Catalytic Downpipe (B58)

Meet the latest technology that adheres to the world's increasingly stringent environmental regulations at the same time enhances performance to another level. In comparison to commercially available linear frustums, the "eddy catalytic technology" adopts an arc-packaging method.

The turbine emissions process produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of horsepower tests and straight downpipes, our patented eddy catalytic technology can effectively increase horsepower and torque.

Features:
1. Patented O2 sensor technology design provides real-time data performance by accurately sensing every rotating displacement. No more delayed or error code problem.

2.Using one of the rare noble metal to help efficiently filter out exhaust gas.

3.Computer simulation of the best diameter.

4.A special 3D design able to achieve a perfectly matching model with the original pipe. the same installation applies, no need to modify.

5.SUS304 Stainless steel.

6.Dual Cross-Welding Technology providing substantial increase durability.


Also available catless

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      05-03-2019, 04:42 AM   #2
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price shipped to EU for catted version?
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      05-03-2019, 11:44 AM   #3
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Quote:
Originally Posted by aadum View Post
price shipped to EU for catted version?
I cannot discuss pricing on the thread, please pm me your address for an accurate quote
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      05-06-2019, 01:28 PM   #4
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Quote:
Originally Posted by mike@x-ph.com View Post
Quote:
Originally Posted by aadum View Post
price shipped to EU for catted version?
I cannot discuss pricing on the thread, please pm me your address for an accurate quote
Can I get a price shipped to 60102 for a catted one
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      05-09-2019, 12:15 AM   #5
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Can I get a price shipped to 60102 for a catted one
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      05-20-2019, 01:12 AM   #6
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Can you pm a price for catted version, shipped to 14580
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      05-22-2019, 01:30 PM   #7
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Please PM me a price for the catted version including shipment to The Netherlands (Europe)
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      07-21-2019, 03:09 PM   #8
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Please PM me a price for the catted version including shipping to zip code 75035.
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      07-22-2019, 01:00 PM   #9
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Please PM me a price for the catted version including shipping to zip code 75035.
Done
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      04-06-2020, 08:23 PM   #10
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Still no dyno?
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      04-08-2020, 04:57 AM   #11
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Well, I guess this Eddy Catalytic catted downpipe gets the award of looking most like the OEM downpipe, but c'mon even going direct to the Stone Exhaust website it doesn't even mention if it is a 200 cell or 300 cell specification.

All things being equal, when I pull the trigger on a downpipe I think I'd go with the very well reviewed evolution racewerks high flow 200 cell catted downpipe which is even available in 3 different finishes (brush, polish, or ceramic thermal coat black). Additionally, the catalyst is metallic instead of the lesser quality ceramic. Most all the joys of catless without the stench or check engine light.

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      04-22-2020, 11:13 AM   #12
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Quote:
Originally Posted by MauiSteve View Post
Well, I guess this Eddy Catalytic catted downpipe gets the award of looking most like the OEM downpipe, but c'mon even going direct to the Stone Exhaust website it doesn't even mention if it is a 200 cell or 300 cell specification.

All things being equal, when I pull the trigger on a downpipe I think I'd go with the very well reviewed evolution racewerks high flow 200 cell catted downpipe which is even available in 3 different finishes (brush, polish, or ceramic thermal coat black). Additionally, the catalyst is metallic instead of the lesser quality ceramic. Most all the joys of catless without the stench or check engine light.

Evolution Racewerks downpipe is top-notch quality. That being said the Eddy pipe is a different product for a different market.

ER downpipe might throw a CEL, Eddy downpipe guarantees no CEL.

If you car is tuned and your tune hides the CEL, get Evolution Racewerks. If that's not the case, your better off getting an Eddy pipe or something similar (Active Autowerke or CG Precision)
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