C5 Corvette Tunnel Plates

Improve the ride and performance of your
C5 Corvette?

Upgrading your exhaust? If you are changing or upgrading your exhaust, now is the time to install one of our Tunnel Reinforcement Plates.
As you know, General Motors has done a fantastic job engineering the C5. It has received the SAE award for Best Engineered Car of the 20th Century. However, even the Chevrolet Corvette could use a little improving!
> Since the first C5 rolled off the assembly line in 1997 it was built with an insufficient chassis stiffener (known as GM’s tunnel reinforcement) as shown in the picture on the right. Made of thin sheet metal, weighing approx. 6 lbs, this original OEM part allows too much chassis flex. OEM factory plate >
Stock OEM plateOur Tunnel Plate

> We have re-engineered the undercarriage plate with strength and performance in mind. Our CAD designed and computer precision cut 300 series stainless steel stiffening plate has been proven to reduce the flex in the chassis and significantly improve the overall functionality of the C5 suspension.

♦ Featured in both *Corvette Fever* and SPEED, STYLE, & SOUND magazine.	Click here to view the comments from magazine.
Click HERE to see more pictures	Other benefits include: ● Rigidly ties the right and left inner chassis rails together ● Greater sense of control behind the wheel when cornering ● Direct, bolt in place replacement ● Reduced squeaks, creaks and noises while driving ● Significantly decreases the heat transferred to the interior console ● "Our" Stainless Steel version is a full 0.134" thick.





This low cost modification has been proven by members of the www.corvetteforum.com to dramatically improve the function of any C5 suspension! Currently we offer (3) different types of plates to fit every need.
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1/4" Aluminum Ceramic Coated plate, If console heat is an issue, this plate is Ceramic Coated to reduce the amount of heat transfer from the exhaust. Part #ALC-250-C5 Selling Price, = $185.00 shipped in US. Weight: 9.6 lbs		Click to Purchase
*Our most popular seller!*
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3/8" Thick Aluminum Ceramic Coated plate, Added benefits of a thicker plate and coating. This plate has been Ceramic Coated to reduce the amount of heat transfer from the exhaust. Part #ALC-375-C5 Selling Price, = $240.00 shipped in US. Weight: 14.6 lbs		Click to Purchase
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The "Original" Stainless Steel Coated plate, Type 304 Stainless. This plate is a full 0.134" thick and does a great job of dissipating the heat and stiffening the chassis. In addition, this plate is Ceramic Coated to further reduce the amount of heat transfer from the exhaust. Part #SSC-100-C5 Selling Price, = $199.00 shipped in US. Weight: 15.5 lbs		Click to Purchase
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We also offer powder coated colors on any of our aluminum Tunnel Reinforcement plates. Price each is $195.00 for the 1/4" thick aluminum tunnel plate (our most popular thickness)
Keep in mind, the Powder Coating is for cosmetic purposes only. It does not reduce heat.		Click to Purchase
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All plates can safely and easily be installed by a first-timer in about 2.5 hours with a set of Jack Stands or Rhino Ramps. See our installation page for more information.