Flowtech
OBS BUICK 86-7 TURBO 3.8L 1.5 SLV MID-LN
SKU: F00M 31554FLT
Description
Part #: 31554FLT
Flowtech Headers are the perfect combination of quality and value. We continue to expand our offering of fully stainless steel headers for both classic and modern cars/trucks. Flowtech's latest addition are new stainless steel mid-length headers for 1986-1987 Buick Grand National, GNX, and Regal T-Type 3.8L Turbo V-6 engines.
Features:
- Made from mandrel-bent 16-gauge 409 stainless steel
- 1-1/2" diameter primary tubes with 2-1/4" diameter collectors
- 5/16" CNC machined head mounting flange
- High quality 100% TIG welded construction
- Includes 2-1/4" cross-over pipe and turbo exhaust inlet tube
- Available in your choice of natural, black coated, and silver ceramic finishes
- Includes header gaskets and mounting hardware
- Clears all stock accessories
- Utilizes factory-style ball and socket pipe connections
1986-1987 Buick Grand National, GNX, and Regal T-Type 3.8L Turbo V-6, 1-1/2" Primary Tubes | 2-1/4" Collectors, 409 Stainless Steel - Silver Ceramic, With Cross-Over Pipe and Inlet Tube
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Flowtech |
| Part Number | F00M 31554FLT |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy