Why the Banks Power Exhaust System Is a Top Choice for Your Ram 2500

If you own a Ram 2500 with a Cummins diesel or a 6.4L Hemi gas engine, you already know the platform is built for heavy hauling and long-haul reliability. But even the best factory exhaust leaves room for improvement. The Banks Power exhaust system is engineered specifically to reduce backpressure and improve exhaust gas flow, which directly translates into more usable torque—especially in the mid-range where you need it for towing and passing. Banks backs their systems with real dyno testing, and the 15% torque gain cited is not a marketing exaggeration but a measured result on many Ram 2500 applications.

Beyond torque, you get a deeper, more aggressive exhaust note without the drone that plagues many aftermarket systems. The materials—typically 409 stainless steel or aluminized steel depending on the kit—are corrosion-resistant and built to survive road salt and extreme heat cycles. Banks also engineers their systems to maintain factory ground clearance, a critical factor for trucks that see off-road use or deep snow.

Tools and Materials You’ll Need for a Smooth Installation

Before you crawl under the truck, gather everything you need. A missing tool halfway through the job can turn a two-hour job into an afternoon full of frustration.

Essential Tools

  • Socket set with both SAE and metric sockets – 10mm, 13mm, 15mm, 18mm, and 21mm are common on Ram 2500 exhaust hangers and flanges.
  • Wrench set – combination wrenches in the same sizes help reach tight spots that a ratchet can’t.
  • Torque wrench – critical for correctly tightening V-band clamps and flange nuts to Banks’ specifications.
  • Jack and jack stands (or a lift) – a hydraulic jack and two 6-ton stands are sufficient for a Ram 2500.
  • Cutting tool – a reciprocating saw with a metal-cutting blade or a portable bandsaw for removing the old system if bolts are rusted.
  • Safety glasses and mechanic’s gloves – exhaust systems are sharp, covered in carbon, and often have scale that can flake off into your eyes.
  • Penetrating oil – spray all exhaust flange bolts and hanger hardware the night before to loosen rust.
  • Wire brush and rags – clean mounting surfaces before installing the new system.

Parts Included in the Banks Kit

Open the box and confirm you have all components: the downpipe (if replacing), intermediate pipe, muffler, tailpipe, clamps, hanger isolators, and installation hardware. Some kits also include a new oxygen sensor boss or a bung plug if your truck uses an EGT sensor. Compare the parts against the instruction sheet to avoid surprises.

Safety First: Preparing the Ram 2500 for Exhaust Work

Park on a level, solid surface. Engage the parking brake and chock both front wheels. Ram 2500s are heavy, so use jack stands rated for at least 12,000 pounds combined capacity. Lift the rear of the frame using the axle or the frame rail directly behind the rear wheels. Never rely on the jack alone. Allow the exhaust to cool completely if the truck was driven recently—contact burns are a real hazard.

Step-by-Step Installation Process

Step 1: Remove the Factory Exhaust System

Start with a generous spray of penetrating oil on every flange bolt, hanger rod, and clamp connection. Let it soak for at least 10 minutes while you organize your tools.

Disconnecting the Downpipe to Muffler Connection

On a Ram 2500, the downpipe typically connects to the rest of the exhaust with a spring-bolt flange or a heavy clamp. Loosen these bolts with a socket and breaker bar. Many trucks have bolts that are heat-welded with rust—if they don’t break loose easily, use the penetrating oil again and apply heat with a propane torch as a last resort. Never force it to the point of snapping the bolt off in the flange, as that adds significant work.

Removing the Mid-Pipe and Muffler

Work your way rearward. Unbolt the muffler from the mid-pipe. If the system is one piece, you may need to cut it. Use a reciprocating saw to cut the old pipe just ahead of the rear axle for easier removal. Wear ear protection—the noise inside the cab can be intense. Once cut, wiggle the sections free. Carefully lower them to the ground; the muffler is heavy and can pinch fingers.

Dropping the Tailpipe

The tailpipe is held by rubber hangers. Use a pry bar or a pair of pliers to stretch the rubber isolators and slide the metal hanger pins out. Spray with silicone if they resist. Pull the tailpipe out from under the truck.

Step 2: Clean and Inspect the Exhaust Path

With the old system removed, use a wire brush on any leftover gasket material on the downpipe outlet. Check the oxygen sensor boss for damage. Inspect the frame area near the muffler for signs of rubbing or heat damage from the old system. This is also a good time to replace the downpipe-to-exhaust gasket if your kit doesn’t include one.

Step 3: Install the Banks Power Exhaust System

  • Start from the front. Bolt the Banks downpipe or adaptor to the existing downpipe (or replace the entire downpipe if the kit includes one). Use the supplied gasket and torque the nuts to the spec in the manual—generally 30–40 ft-lbs for exhaust flange nuts.
  • Work rearward. Slide the intermediate pipe into the front connection. Banks uses band clamps with a unique taper for leak-free sealing. Do not tighten them fully yet. Leave them loose enough to allow rotational adjustment.
  • Install the muffler. Banks typically positions the muffler slightly further back than stock to improve airflow. Place it on the hangers, then slide the tailpipe into the muffler outlet. Again, only snug the clamps.
  • Align the tailpipe tip. Position the tip so that it is centered in the bumper cutout and extends the correct distance. On the Ram 2500, the tip should be about 1–2 inches past the bumper but not protruding so far that it hits loading docks. Tighten the tailpipe clamp.
  • Tighten all remaining clamps. Use a torque wrench to ensure the V-band or band clamps reach the recommended torque (often 50–60 ft-lbs for the larger 4-inch clamps). Over-tightening can strip the clamp or crush the pipe.

Step 4: Check Clearance and Reinstall Heat Shields

Spin the system so it doesn’t contact the transmission crossmember, fuel lines, or brake lines. Ram 2500s have tight clearance near the transfer case and the spare tire winch. Ensure at least 1/2 inch of clearance everywhere. Reinstall any factory heat shields that you removed, or install the Banks heat shield if the kit comes with one. Without proper clearance, vibration noise will drive you crazy, and in extreme cases, the exhaust can melt plastic components.

Step 5: Lower the Vehicle and Perform a Leak Check

Remove the jack stands and lower the truck. Start the engine and let it idle. Listen for any hissing sounds at each connection point. A simple way to check for leaks is to hold a rag over the tailpipe briefly—this pressurizes the system slightly and makes leaks more audible. If you hear a leak, tighten the clamp a little more, but do not exceed the maximum torque. For V-band clamps, a puff of smoke or a visible black soot trail will tell you where to adjust.

Step 6: Torque Everything to Final Specifications

After a short test drive (2–3 miles) with the engine fully heated, allow the system to cool and recheck all clamps. The thermal cycling can loosen connections. Tighten any that feel soft. This second pass is what separates a leak‑free install from a rattly, soot‑stained one.

Expected Performance Gains: Beyond the 15% Torque Claim

Banks advertises a 15% torque increase at the wheels on a Ram 2500 Cummins, which often means an additional 100–120 lb-ft of torque in the 2,000–2,500 rpm range. For gasoline 6.4L Hemi trucks, the gain is closer to 10–12% but still significant. The improvement comes from reduced backpressure—the engine doesn’t have to work as hard to push exhaust out, so it can expand more power in the combustion chamber.

You’ll feel the difference most when merging onto a highway while towing a 10,000‑pound trailer. The transmission downshifts less often, and the truck pulls stronger up grades. Fuel economy can also improve by 1–2 mpg under steady highway cruise because the engine operates more efficiently at lighter throttle.

For those interested in data, Banks publishes dyno charts for each kit on their website. Check the sheet for your specific model year and engine option—it shows torque across the RPM band, not just at the peak.

Common Mistakes and How to Avoid Them

  • Overtightening band clamps. The stainless steel bands can deform if you go beyond 60 ft-lbs. Use a torque wrench.
  • Forgetting to lubricate rubber hangers. Silicone spray makes installation of the tailpipe much easier—trying to force a dry rubber isolator can tear it.
  • Skipping the heat shield reinstallation. The factory heat shield protects the 12V battery and the parking brake cable. Without it, you risk melting those components.
  • Not checking clearance at full suspension articulation. After installation, bounce the rear bumper and listen for contact. A rattle at rest means you’ll hear nonstop noise on rough roads.
  • Dismissing a persistent check engine light. Some Ram 2500s with oxygen sensors downstream of the catalytic converter may trigger a DTC if the new exhaust changes flow significantly. Banks provides a sensor spacer or a tune to fix this. Contact their tech support if it happens.

Post-Installation: Break‑In and Verification

Drive the truck gently for the first 50 miles to allow the exhaust system to settle into its natural position. Avoid sustained high RPM runs until the clamps have seated fully. After that, run a few full-throttle accelerations from low speed to feel the torque difference. If you have a scan tool or a Banks iDash, monitor exhaust backpressure to confirm it dropped.

Many owners also notice a change in turbo spool behavior on diesel models. The reduced backpressure allows the turbine to spin up faster, so you might see boost come on 200–300 rpm earlier. That’s normal and a sign the system is working.

Banks Power exhaust systems are designed to be emissions‑legal in all 50 states when used with the provided catalytic converter and muffler. Some kits are **50‑state legal** and carry an Executive Order (EO) number, which means you can pass visual inspections. Do not delete the catalytic converter or diesel particulate filter on a diesel unless the kit is specified for off‑road use. Check the product page for your specific Ram 2500 model year to confirm compliance.

  • Banks Power Official Installation Guide – The manufacturer’s PDF with torque specs and diagrams: BanksPower.com
  • Ram 2500 Owner’s Forum Exhaust Upgrade Discussion – Real-world experiences and troubleshooting: Cummins Forum
  • Exhaust System Torque Chart – Comprehensive guide for fastener torque values: FleetPride Torque Specifications
  • Dyno Test Data for Banks Exhaust on Ram 2500 – Independent verification of the 15% torque claim: Truck Trend Performance Test

Final Thoughts

Installing a Banks Power exhaust system on your Ram 2500 is one of the most rewarding aftermarket upgrades you can do. The torque gain is noticeable immediately, the sound is refined without being obnoxious, and the build quality ensures you won’t be replacing it again in a few years. Follow the steps in this guide, take your time with alignment and torque, and you’ll have a system that performs reliably for hundreds of thousands of miles. Whether you use your truck for daily driving, heavy towing, or weekend adventures, the extra power and efficiency make every trip more enjoyable.