The 10 Best Headers For Pontiac 400 (2022 reviews)

The header is a must have addition for your regular use. The Dna Motoring Header For Pontiac 400 is made of high quality t-304 stainless steel material. Make sure this fits by entering your model number. And, this is great for a low price, It looks great and has head style.

The header makes great power, it is easy and has a nice style. In addition, it allows for easy installing and has a header style. Lastly, the dna motoring header for pontiac 400 is fit great, It fits great and has a flange style.

Almost all customers opine that the header makes good power and has a nice sound through the same muffler. Furthermore, a few also found that the header will need any more modifications if you need to keep the cat. Further, a few strongly agree that this header is only fit for suzuki g13 and g16 engines equipped with an 8 valve head. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

Why We Like This:

Inlet/ outlet: 1-1/2" od mm/ 2-1/2" od mm; 2.5"-2" od mm weldable collector flange.
Increase high flow air, instantly gaining 10 -15 hp./ tq.
4-2-1 full length header design/ replaces oem manifold.
It is strong, it has high flow air and has a great style.

Best For Chinese Headers: Lucasng Header For Pontiac 400

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If you are currently in the market looking for a suitable header for your daily use, Lucasng Header For Pontiac 400 is the natural choice. The lucasng header for pontiac 400 is perfect for great quality and it is professional. Make sure this fits by entering your model number. These are universal turbo headers and are not designed to work with any specific application or accessory.

The header is good for throttle response and it is fitment. Moreover, the header is also not recommended due to heat & clearance. Above all, the lucasng header for the pontiac 400 is designed for a great price and it is best for good fit.

Almost all buyers quickly discovered that the header fit well as a down and forward header. Also, a few also found that the header is good for Chinese headers.

Why We Like This:

This is most and it looks great.
This is brand new, is pretty good and it allows for improved throttle response.
This is designed for small blocks and it is used for smooth flow.

Best For Driver Side: Bbk Header For Pontiac 400

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If you often find yourself scrambling for a convenient and suitable header, Bbk Header For Pontiac 400 should be your first option for buying. The bbk header for pontiac 400 provides great value, is great for customer support, it is easier and has a nice style. look look. Make sure this fits by entering your model number. Moreover, this other is great for customer service, It is 4wd and has a header style.

The header is important and it works for the exhaust pipe. Most importantly, the bbk header for the pontiac 400 has improved torque and has great style.

Almost all buyers found that the header would fit from 2004 to 2008 hemi trucks. In addition, they strongly agree that the header has this rainbow heat treat to them after being installed. Also, a few strongly agree that the header will work with the factory pipe on your truck.

Customers say that getting a size standard sockets for spark plug, along with header is useful.

Top Customer Quotes:

These fit with no issues. 2007 ram 1500 5.7 4x4.
These fit 2013 or not, but will fit 5.7 hemi.
This is compatible and it is made for the passenger side.
This is your number one aftermarket performance exhaust brand in the USA.

Best For Stainless Steel: Powergo Header For Pontiac 400

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The Powergo Header For Pontiac 400 is capable of outshining several other headers featured in this list in overall features for the price point. The powergo header for the pontiac 400 is thick and it works well for corrosion resistance. Make sure this fits by entering your model number. In addition, it is made of high quality 16.

The header is sturdy, allows for a perfect fit and it is professional. Finally, the powergo header for pontiac 400s are also flattened by hydraulic press to ensure maximum sealing surface and leak-free seal.

Most customers opine that the header will clear a driver side mounted ac compressor.

Customers discovered that getting a turbo kits for challenger scat pack, along with header is useful.

Why We Like This:

★★engineered for performance★★ -1-5/8"(42mm) primaries, 2-1/2"(64mm) collectors and crossover pipe.
These are fully mandrel bent to maintain unrestricted flow along the entire exhaust flow path.
One of the newcomers and featured product.

Best For Passenger Side: Easyberg Header For Pontiac 400

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Best part: Easyberg Header For Pontiac 400 costs comparatively little and it is available to ship in 24 hours. The easyberg header for pontiac 400 comes in with direct fit and it is for the passenger hand. The manufacturer says: We stand behind our headers in saying you will not find a better - fitting, quality - built, budget headerfor your vehicle. Moreover, this is another is simple and it is most.

Above all, the easyberg header forpontiac 400 is lower, is great for ls swap and it is 4wd.

Almost all customers found that the header fits a 2003 silverado 2wd. Further, a few strongly agree that the header is for an LS engine and not a dodge. To sum up, most buyers found the header suits best, and no one questions it.

Why We Like This:

➹Fitment:c10 pickups: chevy & gmc trucks 1960+.
This is great for customer service and it is positive.
➹Fitment:(1960-1966 c10 trucks require slider engine mounts to clear the front crossmember)except 86 c10.
➹Fitment:1988-1998 c1500 trucks (silverado, sierra) 1"" offset back motor mounts required.

Best For Long Tube: Flowtech Header For Pontiac 400

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate header. The Flowtech Header For Pontiac 400 is exactly that - it's a simple header that hits all the right notes. The flowtech header for pontiac400 is a perfect combination of performance and value. Make sure this fits by entering your model number. And, the header has formed collectors and it is good for simple installation.

The header is simple and it is great for low back pressure. And, the header is coated in a high heat and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps for increased performance. Finally, the flowtech header for pontiac 400 is sturdy, is easier to install and it is easier.

Most buyers quickly discovered that the header offers long tube headers for your car. Overall, many buyers have used the flowtech header forpontiac 400 for more than a few months without letup, and it shows no sign of giving up.

Customers discovered that getting a 400 sbc oil pan, with this header made their life much easier.

Why We Like This:

Tuned-length primary tubes for street performance.
This is used for street performance and it is designed for light weight.
This has mounting hardware and it is affordable.
Mandrel-formed power plenum collector for low back pressure.

Best For Small Block: Jegs Header For Pontiac 400

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Compared with other headers in this category, the Jegs Header For Pontiac 400 has a convenient design. Also, it is thick and it is used for small block. Make sure this fits by entering your model number. Lastly, the jegs headerfor pontiac 400 includes collector reducers, bolts, and gaskets.

Why We Like This:

Specifications: 1.580” high x 1.480” wide port.
Crafted from 18-gauge mandrel bent steel tubing with 5/16 in. Leak-proof flanges.
Good investment for the long term.

Best For Direct Replacement: Pg Powergo Motorsport Header For Pontiac 400

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The Pg Powergo Motorsport Header For Pontiac 400's superior materials makes sure that it ages well with use. The pg powergo motorsport header for pontiac 400 is thick and it is most. Make sure this fits by entering your model number. Furthermore, the header will not fit vortec engines tech specs header type.....short tube / shorty primaries diameter...1-1/2 in. Most importantly, the pg powergo motorsport header for pontiac400 is very nice, is professional and it is fitment.

In short, at the price, they believe that they got a steal of a deal with it.

Why We Like This:

Direct replacement of stock manifolds and bolt-on fit for stock exhaust pipes.
Most efficient at providing horsepower gain from idle to mid-range rpm.
head flange is laser-cut from 7/16-inch (11.5mm) thick steel plates and flattened by a hydraulic press.
Fully mandrel bent tubes made of 16-gauge (1.5mm thickness) 304 stainless steel.

Best For Heavy Gauge: Doug'S Headers Header For Pontiac 400

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Doug'S Headers offers a variety of headers for personal choice and yet maintains quality in all the variants. The Doug'S Headers Header For Pontiac 400 is made with thick flanges, allows for better flow, it can wear for an accurate fit and has a great design. Make sure this fits by entering your model number. In addition, it is great with great service and it is good for good quality.

Above all, the doug's headers header for the pontiac 400 design is complex and requires a substantial amount of time and resources to do the job right.

Almost all customers quickly discovered that the header does not have the proportioning valve mounted on the frame. Moreover, they strongly agree that the header has taken 6 days to get it done. With no doubts, this header passed the test and had very satisfied buyers eager to share their experience.

Few customers bought rubbers for exhaust pipe, along with the header.

Why We Like This:

Heavy gauge tubing (16 and 14g) for a longer life.
Thick flanges (3/8 inch to 5/8 inch) with no warping.
This is thick and it is made for the passenger side.
Cnc mandrel bent tubes for an accurate fit and a better flow.

Best For Street Rods: Speedway Motors Header For Pontiac 400

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Speedway Motors ' line of headers comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The speedway motor header for the pontiac 400 is designed for street rods and it is simple. Speedway motors is comprised of people, just like you, who love cars. Further, this is coated with anti-corrosion paint which is suggested to be stripped before painting with high temp paint.

Finally, the speedway motor header for pontiac 400 is perfect for gasser-style rods and drag cars, The fender well headers have long primary tubes that curve over the frame and through the fender wells.

Customers found that buying a l spark plug wires for header, along with header is useful.

Why We Like This:

These fitted v8 headers are designed for optimum performance in a variety of 1935.
The Manufacturer says: With speedway motors, we know how fast you chase your dreams.
You must cut the inner fender panels to make them fit.
1-5/8" long primary tubes curve over the frame and through the fender wells.