2001-2016 Duramax S400 3.5" Stainless Steel Downpipe

2001-2016 Duramax S400 3.5" Stainless Steel Downpipe

Brand: Felder Kustom Fabrication
504.00 USD In stock Buy at Merchant

This product is a 3.5-inch stainless steel downpipe designed for S400, Garret G Series 42 and 45 T4 engines. It includes a billet SS flange and is TIG welded.

  • The description claims a build time of 4-14 business days.
Specifications
Heat Wrap
Yes, No Thanks
Variants (2)
  • Yes — 548.00 USD — In stock
  • No Thanks — 504.00 USD — In stock

AI Readiness

Good foundation, but some important product data is still missing.

81%
2 important fields missing Claim to view full AI report
Data sourced from fkfab.com. Last updated: The description was auto-generated by an AI model based on the merchant's description. It may not be accurate or complete.
Claim fkfab.com to see AI Product Health

Takes ~2 minutes. No storefront changes.