Premerger AMG R129 Exhaust System Original HWA-Stamped AMG Muffler Mid-Section Resonator • Fits 1990–2002 SL V8 Offered for sale is a genuine premerger AMG exhaust system designed for the Mercedes-Benz R129 SL-Class. This setup includes both the AMG rear muffler with engraved chrome tips and the matching AMG mid-resonator section, manufactured during the early-to-mid 1990s prior to AMG’s full merger with Mercedes-Benz. Featuring correct HWA factory part numbers and period-correct AMG tips, this exhaust is a rare and authentic performance upgrade for enthusiasts seeking originality and proper fitment on V8-powered R129 models. Authentic AMG Rear Muffler Factory-stamped AMG HWA129 490 0221 on the housing Twin rolled chrome tips with mid-90’s “AMG” engraving Original finish, no reproduction markings Designed specifically for R129 performance tuning by period AMG One outlet shows a small crease on the underside (cosmetic only) AMG Mid-Resonator / Center Section Correct matching AMG / Mercedes factory part number: 1294910801 Designed to pair with the correct AMG muffler Maintains proper back-pressure balance for M119/M113 V8 engines Authentic construction ensures tone and fitment superior to aftermarket replicas Fitment This premerger AMG exhaust will fit the following models equipped with V8 engines: Model Years Engine SL500 1990–2002 M119 / M113 SL600* 1990–2002 M120* (fitment possible, slight modification may be required) *SL600 installation may require bracket adjustment depending on year. Why This AMG Exhaust Is Desirable True Premerger Production: Original AMG HWA stamping verifies manufacturing before the Daimler integration. Correct Period Sound: Provides the deep, refined AMG tone of 90’s SL roadsters—civil at idle, throaty under throttle. Rare Engraved Tips: Features the mid-90s AMG script, not the later laser or stamped logo styles. Perfect for OE Restorations: Required piece for authentic AMG-era builds, especially SL500 AMG and SL60 AMG conversions. Included in the Sale Component Details AMG Rear Muffler HWA129 490 0221 stamping, dual engraved tips Mid Resonator AMG/Mercedes stamped, part number 1294910801 AMG Tips Chrome rolled outlets with 90s AMG engraving Condition Notes Previously installed and used Chrome tips show surface marks; one tip has a crease on the bottom No cracks, rust-through, or structural compromise All factory hangers intact and ready for installation
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