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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
engineered for consistent valve train geometry at high RPM
No cutting or fabrication required
Borla stainless steel straight exhaust tubing (30330) is the raw material for custom exhaust fabrication
Powdercoat finish provides years of corrosion protection
Compatible with stock and upgraded turbo setups
Borla XR-1 Racing Mufflers Fittings & Hoses engineered for consistent valve trainBorla XR 1 Racing Mufflers (Mufflers) are purpose built for high horsepower applications where minimizing backpressure is critical. Originally developed for NASCAR and endurance racing the XR 1 uses a straight through design with Borla's patented Multi Core technology to achieve near zero flow restriction while producing a controlled aggressive exhaust note. These mufflers are the choice for builds producing 1100+ hp where every pound of backpressure
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