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This exhaust system from Atech Motorsports (SYSTEM) is engineered as a full replacement for the factory exhaust on full-size American SUVs and trucks
Complete installation instructions are included
engineered for consistent valve train geometry at high RPM
No cutting or fabrication required
Whether you're building a canyon carver or a reliable daily
Borla XR-1 Racing Mufflers Fittings & Hoses This exhaust system from AtechBorla 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
