Exhaust Components | 1992-2000 GM 6.5L Detroit

Exhaust Components for 1992–2000 GM 6.5L Detroit Diesel Trucks

The 6.5L Detroit Diesel powered GM’s heavy-duty lineup through the 1990s, offering dependable torque and strong towing capability. While the engine is reliable, its factory exhaust system leaves room for improvement in both flow and durability. Upgrading or maintaining your exhaust components ensures optimal performance, lower exhaust gas temperatures (EGTs), and a cleaner, more efficient-running diesel.

A performance exhaust system begins with proper flow management. Replacing restrictive factory pipes, mufflers, and fittings with mandrel-bent tubing and high-flow components improves turbo response, reduces backpressure, and allows your engine to breathe more freely. The result is better throttle response, lower heat buildup, and improved fuel economy — especially under heavy load or towing conditions.

If your truck is equipped with the factory turbo, upgrading the downpipe and crossover pipes offers one of the most noticeable performance gains. These components improve spool-up, reduce EGTs, and help maximize the turbo’s efficiency. For naturally aspirated 6.5L models, replacing aging exhaust hardware with larger diameter components can still yield smoother airflow and more consistent power delivery.

Material choice is also critical. Aluminized steel provides a cost-effective solution with solid corrosion resistance, while stainless steel components deliver superior longevity and a cleaner finish that stands up to the elements.

Supporting parts like gaskets, clamps, and hangers are just as important to maintain a leak-free system. Upgrading these ensures a solid seal and eliminates vibration or rattling — common issues on high-mileage GM diesels.

Why Upgrade or Maintain Your 6.5L Detroit Exhaust System?

• Improve Airflow: Reduce restriction for better performance and efficiency.

• Lower EGTs: Enhanced flow keeps exhaust temps under control.

• Increase Durability: High-quality materials resist rust and wear.

• Enhance Sound: Achieve a deeper, more refined diesel tone.

• Boost Reliability: New hardware prevents leaks and rattles.

Popular Exhaust Upgrades

• Mandrel-Bent Exhaust Pipes

• Turbo Downpipes & Crossover Pipes

• Mufflers & Resonator Delete Options

• Clamps, Gaskets & Mounting Hardware

• Stainless & Aluminized Steel Components

Improve the performance and reliability of your 1992–2000 GM 6.5L Detroit Diesel with premium exhaust components from Diesel Power Products. Whether you’re replacing worn parts or upgrading for better flow and sound, our exhaust solutions deliver lasting performance, efficiency, and strength for your classic GM diesel truck.