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Availability, Fitment, and Installation Quote for B58 Catless Downpipe BMW B58 4.5'' Maxflow Downpipes w/ Heatshield for TU1/2/3 - Yonristic Performance
Hello AUTOcouture Team,
I’m interested in the B58 catless downpipe listed on your website and would like to confirm a few details before purchasing.
1. Is this downpipe currently in stock? If not, approximately how long would it take to order and receive it?
2. Does the listed price include installation? If installation is not included, what would the total price be for both the downpipe and installation? If I purchase the downpipe and have it installed by you at the same time, is there any package discount available?
3. Can you please confirm that this is a catless downpipe and that it is compatible with my vehicle?
Vehicle information:
2023 BMW M440i xDrive Coupe (G22)
3.0L B58
VIN: WBA13AR02PCL79044
Thank you. Please let me know the total price and earliest available installation date.
Best,
Yunsong Guo
I’m interested in the B58 catless downpipe listed on your website and would like to confirm a few details before purchasing.
1. Is this downpipe currently in stock? If not, approximately how long would it take to order and receive it?
2. Does the listed price include installation? If installation is not included, what would the total price be for both the downpipe and installation? If I purchase the downpipe and have it installed by you at the same time, is there any package discount available?
3. Can you please confirm that this is a catless downpipe and that it is compatible with my vehicle?
Vehicle information:
2023 BMW M440i xDrive Coupe (G22)
3.0L B58
VIN: WBA13AR02PCL79044
Thank you. Please let me know the total price and earliest available installation date.
Best,
Yunsong Guo
Status:
Open Oct 01, 2026 - 06:42 PM
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BMW B58 4.5'' Maxflow Downpipes w/ Heatshield for TU1/2/3 - Yonristic Performance
BMW B58 Performance Downpipes MaxFlow 4.5” Architecture | Full Heat-Shielded Design The Yonristic Performance Downpipes for the BMW B58 platform are designed to replace the factory catalytic downpipes with a high-flow solution that maximizes exhaust gas evacuation directly at the turbo outlet. At th...
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