Toyota Corolla 4-2-1 Ceramic Header, One Piece (2003-2005) (DC Sports: THC4405)

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Toyota Corolla DC Sports 4-2-1 Ceramic Header, One Piece (2003-2005)

Part Number: THC4405
Years: (2003-2005)
Manufacturer: DC Sports

$307.50

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Note: Images may vary from actual product and specification

DC Sports 4-2-1 one-piece header systems deliver incredible low- to mid-range power gains, while improving ground clearance and reducing weight by eliminating the middle flanges. Our 4-2-1 one-piece headers are much lighter than stock systems and are on average two-pounds lighter than our two-piece systems. We dyno test them against the competition, and spend the extra time in R&D to ensure the best fitment for your vehicle.

DC Sports header systems are precision bent on our CNC mandrel benders using data acquired from our non-contact digitizing scanner. Our flanges are CNC machined, we machine-grind the flange mating surface to ensure a leak-free seal and use a robotic welder to attach the flange to the header pipes. Our state-of-the-art manufacturing process ensures superior quality and a perfect fit with every header system we make.

DC Sports 4-2-1 one-piece headers are available in 304-stainless steel, and in mild steel with a proprietary temperature- and corrosion-resistant ceramic coating. Once our mild-steel systems are completed in manufacturing, they are subjected to a thermal degrease and a preliminary sandblast to prepare the header’s surface for coating adhesion. Every ceramic-coated system is hand-painted to ensure an even application of coating. After verifying the proper thickness of the coating, the header is cured for proper bonding of the ceramic coating and then fine-blasted for a high-luster finish.

Dyno tuned and tested against the competition for maximum performance
One-piece design reduces weight by eliminating middle flanges
Unique merge collector design improves ground clearance
50-state legal or pending legality
CAD-rendered, drag-inspired 4-2-1 design emphasizes low and mid-range power for street/strip applications
Available in 100% 304 brushed or polished stainless steel (including flanges), or mild steel with ceramic coating
CNC mandrel bends with robotically-welded fittings deliver perfect fit
Equal length primary piping ensures optimum tuning of systems for more power across rpm range
Comprehensive installation instructions, all necessary hardware and decals included

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