HKS 3306-SN001 Stainless Front Pipe for 1989-2002 Nissan Skyline GT-R RB26DETT

Vehicle Fitment

• 1989-1994 Nissan Skyline GT-R (BNR32, 2.6L RB26DETT, AWD)
• 1995-1998 Nissan Skyline GT-R (BCNR33, 2.6L RB26DETT, AWD)
• 1999-2002 Nissan Skyline GT-R (BNR34, 2.6L RB26DETT, AWD)

Fitment Notes

• Bolt-on fitment to stock RB26DETT twin turbos and HKS turbo upgrade kits
• For off-road and race use only - not legal for street use or sale in California
• Not CARB approved

Features

• Reduces secondary exhaust backpressure at the turbine outlet for improved turbo response
• Mandrel-bent piping designed with the straightest possible routing to minimize exhaust restriction
• SUS304 stainless steel construction for heat resistance, durability, and corrosion protection
• TIG-welded stainless steel flanges reduce exhaust gas friction at connection points
• Low-profile beads at bead welds further reduce internal flow resistance
• Bolt-on application - compatible with stock and HKS turbo configurations

Specifications

• Pipe Size: Phi70mm x 2 → Phi85mm
• Inlet Diameter: 70mm (2.75 inches)
• Outlet Diameter: 85mm (3.35 inches)
• Material: SUS304 Stainless Steel
• Flange Material: Stainless Steel (TIG welded)
• Compatible Engine: 2.6L RB26DETT Twin Turbo
• Platforms: BNR32 / BCNR33 / BNR34
• Kit Consists Of: 1 piece

Included Components

• 1x HKS Stainless Steel Front Pipe (F-Pipe)

Product Description

The HKS 3306-SN001 Stainless Front Pipe is a mandrel-bent, bolt-on downpipe engineered for all three generations of the Nissan Skyline GT-R - BNR32, BCNR33, and BNR34. By replacing the restrictive OEM front pipe with a flowing Phi70mm dual-inlet to Phi85mm outlet design in SUS304 stainless steel, this pipe reduces secondary exhaust backpressure at the turbine outlets, resulting in faster turbo spool and more responsive mid-range power delivery on the RB26DETT.

TIG-welded stainless flanges and low-profile internal bead welds minimize exhaust gas friction at all connection points, and the minimal-bend routing is designed to keep exhaust velocity as high as possible throughout the system. The pipe fits both the stock twin-turbo configuration and HKS turbo upgrade kits as a direct bolt-on replacement. This product is for off-road and race use only and is not CARB approved.