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91-11
Jeep - 4.0L, 3.8L & 2.5L
Monster Flow, Performance, Sound & Looks
Huge 2.5" stainless mandrel-bent tailpipe with a polished tip. Straight-thru Monster muffler flows up to 140% better than stock. Slashes backpressure; throaty sound.
Monster® Exhaust, 4.0L & 2.5L
1991-05 4.0L and 2000-02 2.5L WRANGLER: Constructed entirely of heavy-gauge stainless steel, Banks Monster features a supersized, 2.5-inch tailpipe with a stainless tailpipe tip polished to a mirror finish. Banks Monster muffler, its straight-through performance muffler, is the industry's least restrictive. In comparison tests, Banks muffler flowed 501.2 cfm at 1 psi—a 140% improvement over the stock exhaust's 208.6 cfm, and about 44% better than the nearest competitor.
Monster virtually eliminates backpressure from the catalytic converter back, for more power and efficiency—and an authoritative, yet civil, exhaust note. For maximum results, combine with Banks TorqueTube® system.
Includes: Stainless Monster muffler; Stainless 2.5" tailpipe; Polished stainless tailpipe tip; Mounting hardware.
Here's the TEST REPORT
for your vehicle!
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| Application | Year Range | Part # |
|---|---|---|
| Monster Exhaust 4.0L Wrangler | 1991-95 | 51311 |
| Monster Exhaust 2.5/4.0L Wrangler | 1997-99 | 51312 |
| Monster Exhaust 2.5/4.0L Wrangler | 2000-03 | 51313 |
| Monster Exhaust 4.0L Wrangler | 2004-06 | 51314 |
| Monster Exhaust 4.0L Unlimited | 2004-06 | 51315 |
Owners Manual(s)
| Exhaust- Monster Exhaust, Single out the back, 2.5L I-4 (07-03 Wrangler (TJ)) (Part #96435) 4.0L I-6 (1991-95 Wrangler (YJ), 1997-06 Wrangler (TJ), 2004-06 Wrangler Unlimited) |
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Accolades
“Banks has certainly earned his stripes, earning dual degrees in electronic and mechanical engineering, developing trendsetting products and setting a ton of Bonneville top speed records, some of which still stand.”
Fastest Street Car (Aug '03)