Notes: This product is for Racing or Off-Road Use Only.
- Austenitic 304 stainless steel tubing means a lifetime product that won’t ever corrode or deteriorate
- All bends are mandrel-bent for smooth transitions and maximum flow characteristics
- Compact 4-into-1 design
- Includes provision for EGR, factory intake air heater
- Million-Mile warranty applies to all street systems (Excludes XR-1 Raceline products)
Lighten your Jeep and improve its durability at the same time by replacing the exhaust manifold with this compact 4-into-1 header. Far lighter than the OEM cast iron, it also provides far superior breathing, scavenging spent exhaust fumes from the cylinder head to the exhaust system. In fact, it’s tuned primary pipes actually flow better than no exhaust system at all.
Borla exhaust systems and mufflers are built of aircraft-quality austenitic stainless steel - stainless inside and out, not mild steel, not aluminum, not coated aluminum, not just wrapped with stainless on the outside for show. Aluminizing can somewhat prolong the life of mild steel, but coatings suffer at the weld points. T-304 stainless steel has the highest chromium content, making it the most resistant to corrosion and therefore the most desirable material for a long-lasting exhaust system.
Note: Only the flanges are not stainless. Borla’s 3/8" or 1/2" flanges are so thick they will never affect the performance or longevity of the system.649.63Brand: Borla Part Number: 17221 UPC: 808422172219
Borla® is the leading manufacturer of stainless steel performance exhaust products. The company began three decades ago making exhaust systems for concours classic Rolls Royce and Ferrari models, and gradually evolved to become the premier manufacturer of performance exhaust products for street, off-road and racing. Borla pioneered many improvements in the design of performance exhaust systems, holds several patents for innovative exhaust system technology, and has won numerous “Best New Product” awards. Today the company operates a state of the art research and development center in Oxnard, California, and makes all of its products at a world-class manufacturing facility in Johnson City, Tennessee.
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