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HSP140021 - LS3 Intake Manifold Instant-Muscle Heatshield

Availability: Ships today or next business day
Shipping: Free 48 State Ground Shipping!
Pricing: $49.95
Free Shipping!


Stick on horsepower! I-M Shield™ can increase horsepower (up to 12 RWHP!). It works by shielding the intake manifold and reducing the heat radiating up from the top motor. This lowers intake manifold temperatures creating a more dense fuel and air mixture, creating more power. Think of it as an intercooler for your intake, same physics and chemistry just a different way to get there. Heavy duty adhesive will stick to any clean semi-smooth surface. Simply degrease, then clean surface, then wipe with pre-paint cleaner or isopropyl alcohol, let dry then firmly press the I-M Shield™ onto the underside of the intake manifold. Use provided edging tape to finish the install. I-M Shield™ comes pre-cut but may be trimmed with heavy scissors or utility knife! Get your I-M Shield and add some Instant-Muscle and blow the competition away.

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Installation instructions are in the documents tab above


  • 140021
  • 140021
  • 819825014129
  • Heatshield Products - HSP
  • Ships today or next business day
  • New

Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W20.0000” x H0.5000” x L16.0000”
  • Free Shipping!
  • Free 48 State Ground Shipping!

Customer Reviews

Comment Total Reviews (1)

I M Heat Shield Review
  • Currently 5/5 Stars

Reviewed by: michael05/12/2014 06:01PM

Product ownership: Less than 3 months

Purchased from: Pace Performance

Great product.. Fit well. I installed this heat shield on a Fast 102 intake in my 2012 Camaro SS. As well I used a Nick Williams 102 mm TB also from Pace Performance. I installed a stage 3 cam shaft and I don't believe I would've achieved the numbers I did without this heat shield. 516 rwhp and 464 rwtq on a mustang dyno. I recommend this heat shield to anyone looking to cool down your air / fuel mixture ... $53.00 is well worth the investment ... It's a no brainier.

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