T304 Stainless Steel with high flow catylitic converter
T304 Stainless Steel with high flow catylitic converter
T304 Stainless, TIG-welded downpipe
Increased Power and Torque!
Features cast bends for superior flow and fitment
Maximize your engine's performance!
Direct bolt-on upgrade with a GESi 5” G-Sport UHO+ 400cpsi Catalytic Converter.
T304 Mandrel bent stainless steel Tubing
Featuring a 200-Cell Metallic Matrix High-Flow Catalyst
Direct bolt-on upgrade with a GESi 5” G-Sport UHO+ 400cpsi Catalytic Converter.
Provides increased horsepower and torque throughout the powerband, reduced turbocharger lag, and an enhanced exhaust note!
2X Entries Into Our F80 M3 Sweepstakes
Maximize your engine's performance!
Direct bolt-on upgrade with a GESi 5” G-Sport UHO+ 400cpsi Catalytic Converter.
Maximize your engine's performance!
Featuring a HJS brand 200-cell Hi-Flow Sport Cat, for use with Milltek cat-back only
Fits to Milltek cat-back
This product was last offered at the strikethrough price on
10-26-2026
Featuring a Milltek Sport Hi-Flow Sport Cat, for use with the stock cat-back
Fits to OE cat-back
This product was last offered at the strikethrough price on
10-26-2026
Stainless steel 3" downpipe with HJS sport catalytic converter designed to work with 2.75" cat-back exhaust systems.
This product was last offered at the strikethrough price on
10-26-2026