Straight-through, nonrestrictive design specifically tuned for the Pontiac GTO, increases exhaust flow
Flow bench-tested 99% gain in exhaust flow vs. stock system All 304L stainless steel construction, crafted with pride and precision in the USA 12% lighter weight than stock system Patented* CORSA Reflective Sound Cancellation™ (RSC™) technology for superior sound Dual rear exit with handcrafted single 4.0 Pro-Series tips No welding required; Bolt-on installation Includes hardware and illustrated installation guide 50-state emissions legal
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