2013 Audi S4 Exhaust | Dual Outlet Cat-Back System for 3.0T Supercharged
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In Stock
Product Overview
- Condition: New OEM-specification components
- Availability: Complete system and individual components available
- Shipping: Free crated freight to all 50 states, 5 to 10 business days
- 3.0T Supercharged engine and B8 chassis confirmed before shipping
- All components inspected and pressure-tested before packaging
- Stainless steel construction for long service life
- Dual catalytic converters verified DOT and EPA compliant
- 100% fitment verified before every order ships
- Backed by a 15 day replacement warranty against manufacturing defects
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At a Glance
- Condition: OEM used, spindle machined surfaces inspected, bearing races checked for wear / pitting, mounting flange integrity verified
- Availability: In stock, GMC 3500 spindle available; specify generation and year
- Shipping: Free shipping to all 50 states, 3 to 7 business days
- Part verified as OEM front axle spindle for GMC 3500 Series 1-ton heavy duty truck applications
- Application: GMC 3500 Series 1-ton heavy duty truck across multiple production eras - GMT400 1988-2000 (C/K 3500 naming), GMT800 2001-2007 (renamed Sierra 3500 / 3500HD), GMT900 2007-2014 (Sierra 3500HD continuation more refined), K2XX 2014-2018 (Sierra 3500HD modern), T1 2019-current (all-new Sierra 3500HD with AT4 off-road variant and Denali premium trim)
- GMC 3500 positioning: 1-ton heavy duty truck above 2500 (3/4-ton and below 4500 / 5500 medium-duty in GMC's full-size truck hierarchy
- Heaviest consumer GM pickup truck: serves maximum-capability heavy-duty applications including heaviest towing (~14,000+ lbs conventional; up to 30,000+ lbs gooseneck / 5th wheel on modern SRW variants; up to 35,000+ lbs gooseneck / 5th wheel on modern DRW dually variants)
- Applications: heavy commercial fleet, agriculture, construction, RV / horse trailer towing, heavy 5th wheel
- Sister vehicle: Chevrolet 3500 / Silverado 3500HD (identical mechanical vehicle - Chevrolet primary brand, GMC "Professional Grade" sister)
- Competitors: Ford F-350 Super Duty, Ram 3500 HD
- Spindle machined surfaces inspected, bearing races checked, mounting flange integrity verified
- GMC cluster context: this is one of two GMC brand listings in (GMC 2500, this listing GMC 3500); cross-batch complement to GMC 1500
- 15 day replacement warranty on component defects



