The 74mm Plenum utilizes the factory 74mm throttle body. This version provides impressive power gains throughout the entire power band, especially in the midrange where its most critical and most enjoyed. The 74mm Cayman/Boxster S Plenum application is recommended for enthusiasts looking for considerable performance gains without pushing the performance envelope. Power gains are realized throughout the entire power band without any loses in power.
The IPD Cayman S Plenum will provides the most impressive power gains of any engine upgrade available and will truly transform your driving experience. The 74mm IPD Plenum is the best Cayman or Boxster modification on the market and will further compliment other mods such as exhaust, software and beyond.
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WARNING: Cancer and Reproductive Harm
Porsche 987 Boxster
Porsche 987 Cayman
IPD has earned the reputation for standing behind each and every IPD product with a 100% full money back guarantee if not completely satisfied after 30 days from receiving the product ordered. This money back guarantee applies only to the original purchaser of any IPD product.
IPD has elevated the customer service bar in the after market industry with their commitment to unparalleled customer satisfaction. If you are not satisfied and wish to return your IPD product please contact our office to obtain an RA (Return Authorization) number. Please include this number along with your original invoice inside the package containing the IPD product being returned.
IPD offers a "Money Back Guarantee". Unlike many other after market performance manufacturers, IPD doesn't give you "Store Credit" unless requested otherwise. All IPD product are designed to deliver the performance improvements we claim, if they are not please return your purchase for a full "Money Back" guarantee.
All IPD products are designed and manufactured to deliver increased performance for Porsches that are strictly driven on public roadways. All IPD Plenums come with a full 2 year manufacturer's warranty to the original purchaser that guarantees all IPD product will be free of any manufacturing defects or cause of any issues or problems related to the vehicle's engine. All IPD Plenum warranties are expressly voided if installed and driven off-road or on race tracks.
This Warranty does not apply to any matter not covered above and shall in no event apply to:
IPD will not be responsible for covering or reimbursing customers for labor charges incurred from any IPD product installation or removal.
aFe POWER 49-36409 MACH Force-Xp 2" to 2-1/2" 304 Stainless Steel Catback Exhaust System Porsche Boxster S (987.1) 05-08 H6-3.4L
Agency Power Stainless Steel Race Headers Porsche 987 Cayman 05-08 Race USE ONLY