Why Does Your Truck Need Exhaust Manifold Headers?
A factory exhaust manifold is a compromise the engine pays for every mile, and exhaust manifold header upgrades are the straight answer to the three problems it creates. A cast log manifold cracks at the collector, warps across the flange, and feeds exhaust from four cylinders into one shared passage where the pulses fight each other. Each of those costs power, fuel, and eventually a repair bill. The sets in this collection fix the root cause with equal length primaries, a machined flange, and a proper collector instead of a patch over a cracked casting.
Why an Exhaust Manifold Header Beats a Cracked Factory Manifold
A stock cast manifold holds heat in the runner, and heat plus vibration is what splits it open at the collector. A tubular exhaust manifold header moves that joint away from the block and gives each primary room to expand on its own. Once the crack is gone, the oxygen sensor stops reading fresh air at the leak and the engine stops trimming fuel for a problem that was never in the tune.
Why Manifold and Headers Upgrades Outlast a Warped Flange
The flange on a factory manifold is thin enough to bow between the bolts, and once it bows no amount of torque will hold a gasket. An exhaust manifold header uses a thick machined flange that distributes clamping load across the whole surface. That is why the leak that came back after every resurface job on the stock casting does not come back here.
Why Exhaust Manifold Header Sets Fix Lazy Spool and Lost Drive Pressure
When a manifold leaks before the turbine, drive pressure drops and the turbo has to work harder for the same shaft speed. Tubular stainless headers keep the exhaust pulse intact from the port to the collector, so more of the energy reaches the wheel. Spool comes in sooner, exhaust temperatures settle, and the engine stops feeling flat off the line. The same logic runs downstream, since a crushed or leaking down pipe undoes the gain the manifold just made.
What Can Manifold and Headers Upgrades Solve?
A good exhaust manifold header is a targeted part, aimed at one known failure on one engine family. We sort this collection into six working categories so you can find the set that matches your engine, whether that is a modular Ford V8, a Powerstroke diesel, a HEMI, an LS, or a Cummins ISX.
Exhaust Manifold Header Sets for Ford Gas Trucks
The Ford modular and Windsor V8 trucks are the ones that crack manifolds most often, because the casting is thin and the collector sits right where the heat is worst. These Ford truck sets cover the 5.4L Triton, the 4.6L and 5.4L modular, and the 5.8L Windsor across F150, F250, Bronco, and the Heritage body style. Every set keeps the stock converter position unless you choose otherwise, so the job stays bolt-on.
Manifold and Headers Sets for Mustang, Bronco and Classic Cars
Fox body and classic Ford owners have the most to gain, because those engines were strangled by a log manifold from the factory. These replacement sets cover the 5.0L V8 across GT, LX, and SVT from 1979 to 1993, the 4.6L Mustang GT, the 2.3L four cylinder, the Cologne 2.8L and 3.3L V6 in early Bronco and Capri, and the 3.8L V6 Wrangler. Each set is matched to the port shape and flange of the head it bolts to. Turbocharged builds need mustang turbo headers with a crossover pipe, which we do not stock yet, so what you see here covers the naturally aspirated side.
Long Tube and Stainless Sets for Ford Powerstroke Diesel
A diesel manifold sees higher drive pressure than a gas manifold, which is why the 7.3L and the 6.0L both crack and warp at the collector. These Powerstroke header sets replace the casting with heavy wall stainless and a flat machined flange. We carry both banks as a kit for the 7.3L and single or stainless options for the 6.0L. Match the set to a diesel exhaust pipe sized for the same engine, because a restriction downstream undoes the gain at the head.
Shorty and Long Tube Headers for Dodge Ram HEMI and Magnum
The HEMI and the older Magnum V8 both crack manifolds, and the Magnum is famous for it across the runner rather than at the collector. Our HEMI listings cover the 5.7L HEMI from 2009 to 2018 in shorty and long tube layouts, plus the 5.2L and 5.9L Magnum across Ram 1500, 2500, and 3500 from 1992 to 2004. Long tube sets suit a truck that tows, because primary length is what builds low end torque.
LS Exhaust Manifold Header Sets for Chevy V8
The LS platform answers to header design better than almost anything else on the road, and the C6 is the clearest example. Most LS swaps start with ls swap manifolds before a header choice even comes up, so the customers we serve are usually refreshing a factory LS2 or LS3 rather than building from scratch. This C6 kit pairs stainless primaries with a matched X pipe, which balances the pulses between the two banks instead of letting them collide. The result is a smoother top end and a note that sounds like the engine it is.
Cummins ISX Replacement Manifolds and Header Kits
A heavy duty Cummins ISX runs far more drive pressure than a pickup, so a cracked or warped casting costs real power and pushes exhaust where it does not belong. This replacement manifold is built for CM570 electronics from 2007 through 2018. It restores the seal at the head so the turbo sees the pressure it was designed for.
Shop Exhaust Manifold Headers by Engine and Fitment Guide
Use this guide to match a header set to your engine and model year. Every listing below is cut for the port shape, flange, and stud pattern of the engine family it serves.
1. Ford Truck Exhaust Manifold Header Sets for 4.6L, 5.4L and 5.8L V8
Focus: This category focuses on replacing cracked and warped factory castings on high mileage Ford gas trucks.
Solves: It solves the collector crack that sets an exhaust leak code, the warped flange that blows a new gasket, and the lazy spool that comes from lost drive pressure.
- Performance Stainless Shorty Exhaust Manifold Headers for Ford F150 2004-2010 5.4L V8 - Fits 5.4L Triton V8 in Ford F150 (2004-2010). Shorty stainless headers replace the cracked factory casting and keep the stock converter position, so the swap stays a bolt-on job on the original Y pipe.
- Exhaust Manifold Headers for 1987-1996 Ford F150 F250 Bronco 5.8L V8 - Fits 5.8L Windsor V8 in Ford F150, F250, and Bronco (1987-1996). Tubular headers replace the warped factory log, with a thick flange that holds a gasket on a block that has already seen decades of heat cycles.
- Manifold Exhaust Headers Fits for 1987-1996 Ford F150 F250 Bronco 5.8L V8 - Fits 5.8L Windsor V8 in Ford F150, F250, and Bronco (1987-1996). A second runner layout for the same trucks, with primaries shaped to even out exhaust pulses and end the tick a split stock manifold makes.
- Exhaust Manifold Headers for 1997-2003 Ford F150 F250 LOBO 4.6L 5.4L V8 - Fits 4.6L and 5.4L modular V8 in Ford F150, F250, and Lobo (1997-2003). A direct replacement set for the factory piece that cracks at the collector, cut for the same flange and stud pattern.
- Exhaust Manifold Headers for 1999-2003 5.4L Powerstroke Ford F150 2004 Heritage - Fits 5.4L V8 in Ford F150 and the 2004 Heritage edition (1999-2004). Replaces the stock manifold on the last of that body style, with a flange thick enough to stop the leak that keeps coming back after resurfacing.
2. Ford Mustang, Bronco and Classic Car Header Sets
Focus: This category focuses on opening up the exhaust path on engines the factory strangled with a log manifold.
Solves: It solves the restriction that caps top end power on a Fox body 5.0, the mismatched port shape on a Cologne V6, and the leak on a warped 3.8L casting.
- Exhaust Headers Manifolds for 2007-2011 Jeep Wrangler 3.8L V6 with Gasket Set - Fits 3.8L V6 in Jeep Wrangler (2007-2011). Shorty header sets ship with the gasket set, so the warped factory manifold comes off and the new pair seals on the first try instead of leaking at the head.
- Exhaust Manifold Headers for 1996-2004 Ford Mustang GT V8 4.6 - Fits 4.6L modular V8 in Ford Mustang GT (1996-2004). Tubular replacement sets open up the exhaust path on an engine the factory strangled with a restrictive cast manifold.
- Exhaust Manifold Headers for 1974-1980 2.3L Ford Mustang Pinto Late Model - Fits 2.3L four cylinder in Ford Mustang and Pinto (1974-1980). Replacement headers for the late model 2.3, built to free up an engine the factory capped with a tiny cast iron log.
- Exhaust Manifold Headers for 1966-1974 Ford Bronco 1979-1982 Mercury Capri 2.8L 3.3L - Fits 2.8L and 3.3L V6 in Ford Bronco (1966-1974) and Mercury Capri (1979-1982). A direct fit set for the Cologne V6, with the flange and port shape matched to the stock head.
- Exhaust Manifold Headers for Ford 1979-1993 Mustang 5.0 V8 GT/LX/SVT - Fits 5.0L V8 in Ford Mustang GT, LX, and SVT (1979-1993). Fox body replacement headers that let the 5.0 breathe past a factory manifold that was the single biggest restriction on those cars.
3. Ford Powerstroke Diesel Exhaust Manifold Header Sets for 7.3L and 6.0L
Focus: This category focuses on holding drive pressure on a diesel manifold that sees far more heat than a gas casting.
Solves: It solves the warped collector that leaks boost pressure, the rusted flange bolt on a high mileage 7.3, and the crack that returns after every resurface job.
- Exhaust Manifold Kit for 7.3L Powerstroke Ford F250 F350 (1999-2003) Left & Right - Fits 7.3L Powerstroke in Ford F250 and F350 (1999-2003). Left and right replacement sets take care of both banks at once, which is the only real fix for the rusted bolt and warped flange problem on a high mileage 7.3.
- Exhaust Manifold Header for 7.3L Powerstroke 1999 - 2003 Ford F250 - Fits 7.3L Powerstroke in Ford F250 and F450 (1999-2003). A single bank set for one cracked side, with the flange machined flat so a new gasket actually seals on a block that has seen twenty winters.
- Exhaust Manifold Header for 2003-2007 6.0L Powerstroke Ford F250 F350 - Fits 6.0L Powerstroke in Ford F250 and F350 (2003-2007). Replaces the cast manifold that warps and cracks at the collector, which is exactly where a 6.0 starts leaking drive pressure and losing spool.
- Performance Stainless Exhaust Manifold Headers for 2003-2007 Ford F250 F350 6.0L Powerstroke - Fits 6.0L Powerstroke in Ford F250 and F350 (2003-2007). The stainless version of our 6.0 set, with TIG welded runners that hold up to the heat a 6.0 pushes through the manifold.
4. Dodge Ram HEMI and Magnum Exhaust Manifold Header Sets
Focus: This category focuses on primary length for low end torque and on replacing the casting that cracks across the runner.
Solves: It solves the famous Magnum manifold crack, the HEMI casting that splits at the collector, and the flat feeling a truck gets when drive pressure leaks away.
- Long Tube Exhaust Manifold Headers for Dodge Ram 1500 5.7L Hemi V8 Engine (2009-2018) - Fits 5.7L HEMI V8 in Dodge Ram 1500 (2009-2018). A long tube layout gives the HEMI the primary length it needs for low and mid range torque, which is where a truck actually uses it.
- Exhaust Manifold Headers for Dodge 09-18 Ram 1500 5.7L HEMI - Fits 5.7L HEMI V8 in Dodge Ram 1500 (2009-2018). A shorty set for owners who want the cracked factory manifold gone without moving the catalytic converters.
- Exhaust Manifold Headers for 5.7L HEMI Dodge Ram 1500 (2009-2018) - Fits 5.7L HEMI V8 in Dodge Ram 1500 (2009-2018). A 1-5/8 inch primary set that clears the frame and the steering shaft, so the install never turns into a fabrication job.
- Exhaust Manifold Headers for Dodge Ram 1500 2500 3500 Pickup 5.2 5.9L (1992-2004) - Fits 5.2L and 5.9L Magnum V8 in Dodge Ram 1500, 2500, and 3500 (1992-2004). Replaces the factory manifold that cracks across the runner on every high mileage Magnum, with a flange that stays flat.
5. Chevy LS Exhaust Manifold Header Sets and X Pipe
Focus: This category focuses on balancing exhaust pulses between the two banks of an LS V8.
Solves: It solves the pulse collision that flattens the top end on a C6, and it removes the restriction the factory manifold puts in front of the LS2 and LS3.
- Stainless Exhaust Headers Manifolds & X Pipe for 2005-2013 Chevy Corvette C6 LS2 LS3 - Fits LS2 and LS3 V8 in Chevrolet Corvette C6 (2005-2013). A stainless set with a matched X pipe that balances the exhaust pulses between banks, which is where the C6 finds its top end.
6. Cummins ISX Manifold and Headers Replacement Kits
Focus: This category focuses on restoring the seal between the head and the turbo housing on a heavy duty engine.
Solves: It solves a cracked or warped casting that bleeds drive pressure, so the turbo sees the exhaust energy it was designed to use.
- Exhaust Manifold Replacement for 6.7L Cummins ISX CM570 (2007-2018) - Fits Cummins ISX with CM570 electronics (2007-2018). A complete replacement for a cracked or warped casting, so the turbo stops losing drive pressure at the joint between the head and the housing.
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Engine Architecture Notes Behind Exhaust Manifold Headers
An exhaust manifold and a header do the same job with completely different physics. A factory manifold is a cast iron log that dumps every cylinder into one shared passage, which is cheap to make and quiet, but the pulses from one cylinder collide with the next and the casting holds heat right where it cracks. A performance header gives each cylinder its own primary tube and meets them at a collector, so the pulse leaving one runner helps pull the next one out instead of fighting it.
Primary length and diameter decide where the gain lands, which is why a long tube set builds low and mid range torque on a HEMI while a shorty set keeps the stock converter position on a daily driven F150. The flange is the other half of the design. A thin stamped flange bows between the bolts and blows the gasket, while a thick machined flange spreads the clamp load and stays sealed through years of heat cycles. Diesel engines add one more factor, because drive pressure at the manifold is far higher than on a gas engine, so wall thickness and weld penetration matter more than they do on a car.
Maintenance Tips for Exhaust Manifold Headers
A header set stays sealed for years when a few habits are part of the install, and these five matter most.
- Retorque the flange bolts after the first two heat cycles. Gaskets compress once the system has been fully hot, and a second pass prevents the leak that shows up a week later.
- Never reuse the old gasket or the old studs. A stretched stud will not hold clamp load, and a crushed gasket has already taken the shape of the leak.
- Use anti-seize on the threads. Manifold bolts seize in the head, and a broken bolt turns a header job into a head job.
- Listen for a tick on a cold start. That is the first sign of a flange that has relaxed, and it is far cheaper to fix at that point.
- Check the collector and the rest of the exhaust together. A leaking joint downstream puts strain on the flange, and the two should be inspected as one system.
Exhaust Manifold Kit for 7.3L Powerstroke Ford F250 F350 (1999-2003) Left & Right From $137.59 /In stock
