Premerger AMG R129 Exhaust System

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:

*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

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