Agostini Big Bore Header Pipes, Flanges, & Y Pipe Set Without Catalytic Converter for '21 Spec V85 TT *See detailed fitment list*
Agostini Big Bore Header Pipes, Flanges, & Y Pipe Set
Complete fitment list at bottom of this page.
This header and crossover pipe set has oversized manifolds and is made from stainless steel.
The increased diameter tubing guarantees more torque and power at all engine speeds.
This header and collector/crossover set is 50% lighter compared to the original collectors
Uniquely this set up allows you to remount the stock header heat shields.
Lambda probe position turned downwards for a more linear look.
Handcrafted product: quality and details with attention to every minimum detail, the assembly, welding and finishing operations are exclusively made by hand.
Thanks to the removal of the catalytic converter, this kit also reduces engine operating temperature
These headers & crossover allow you to reinstall the stock muffler, or any slip on that was designed for use with the stock headers.
No ECU modifications are required, however the best performance is obtained by using in conjunction with V-TWINBOOST thereby eliminating any lean fuel conditions.