Jeep Wrangler 4.0L 1991-1993, Monster™ Axle-Back Exhaust System by Banks®, Tailpipe, Muffler. Improve performance and economy with a Banks Monster Exhaust system. Increased pipe size is only part of it. Banks uses constant-diameter mandrel bending to keep their stainless steel pipes restriction-free. This system will substantially reduce backpressure, improving scavenging and cylinder filling. It also restores that authoritative exhaust note you’ve missed. The final touch is a huge polished stainless steel tip.
Banks Power Monster Exhaust systems feature large-diameter heavy-duty stainless Monster Exhaust system with constant-diameter intermediate pipe and tailpipe. The Monster muffler uses an exclusive straight-through expansion chamber design that provides a deep, throaty exhaust note, but doesn’t make you crazy with freeway drone. Packed with a refractory ceramic packing instead of fiberglass, these mufflers will retain their mellow note far longer than the competition.
Reduced backpressure means you don't spend money on fuel to push exhaust out through a restrictive exhaust system and muffler. The Monster system lets it flow more easily, giving you improved power, torque and fuel economy all at the same time. Letting more exhaust downstream faster means better scavenging of the cylinders, which in turn means more cylinder filling with intake air. That translates directly to improved power and torque. You’ll feel that improvement immediately, whether you haul a heavy load or tow a big trailer. That goes double if you ever go up a hill.
The systems include a huge 6" x 5" polished-stainless rolled-edge tailpipe tip, and comes with a 5-Year Limited Warranty.
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Banks Exhaust Systems are US-made, each unit is precisely dyno-tuned and shaped to fit selected model and production year vehicle and deliver great increase in torque and horsepower. Even the polished muffler tip is built with T-304 premium stainless steel. Each exhaust system has an easy bolt-on installation and requires no modifications to the vehicle for the installation.
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