Borla Axle Back Exhaust for Vehicles with or without NPP 4" Polished T-304 St...

Borla Axle-Back Exhaust — 4" Polished T-304 Stainless Steel Tips Fitment: Designed for vehicles with or without NPP (note: NPP valves are not included). Unlock hidden horsepower and the unmistakable Borla Sound of Power . This axle-back system features 4" polished T-304 stainless steel tips and Borla’s patented straight-through, multi-core technology for improved exhaust velocity, increased power, and enhanced throttle response. Premium Materials: Full T-304 stainless steel construction for superior corrosion resistance and long life (better than T-400/409 knockoffs). Performance Gain: Straight-through design and ultra-smooth mandrel bends maximize flow and help recover usable power and fuel efficiency. Precision Fit: CNC-manufactured components ensure accurate fitment and easy installation. Distinctive Sound: Engineered to deliver the aggressive yet refined Borla exhaust tone enthusiasts expect. Warranty: Backed by Borla’s Million-Mile Warranty for lasting confidence. Choose the Borla axle-back for durable construction, precision engineering, and a performance-oriented sound upgrade that complements both street and track driving.