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Capristo Free Flow Exhaust System Ferrari 355 GTB | GTS | Spyder 94-99


Capristo Exhaust

Model #02FE03003001

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Made of T309 stainless steel this system fixes the known problems with the original F355 OEM system; with the original bypass valve in the open position, a reverse flow through the silencer causes overheating and damage to the headers on. Upgrading to the Capristo exhaust not only gives you more power and a better sounding car; you also get the peace of mind that you will be preventing damage from occurring to your headers.

Once the exhaust gas valve is open on the OEM system, the gas doesnt flow through the catalytic converter but mainly through the bypass valve. The exhaust gases flow off the exit and generate a vacuum. Thus the hot exhaust gases in the muffler are pushed backwards through the main cat which heats up. Then the gases are guided though the bypass and recirculated by the exhaust gas valve into the muffler again. When the exhaust gas valve is open, this gas flow is recirculated, ceaselessly generating more and more heat. Capristo is of the opinion that this problem is known to Ferrari. For this reason the F355 was changed since 1996 and the headers were modified exactly in the place where the vacuum is generated. But the problem was not eliminated completely.

After some testing it was obvious to Capristo that their theory was right, the bypass causes these problems. One exhaust gas valve is not sufficient. Capristo exhaust systems are designed so the exhaust tubes from the main catalytic converter lead to the outer end pipes, and those from the bypass to the inner end pipes. These tubes do not lead to each other. Consequently it is not possible for the hot exhaust gases to be recirculated. Instead cold air is drawn through the outer end pipe through the catalytic converter and the bypass valve. Once cold air is mixed up with hot exhaust gases, the temperature of the exhaust gases decreases.

As with all valved systems, the Capristo remote controller can be used to control the valves status. Giving you control of how your car sounds with a click of a button.

Associated Part Number:

  • CE-355S3

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

Vehicle Engine Notes
Ferrari 355

Warranty Info

CAPRISTO® guarantees its exhausts for a total period of 3 years from the date of purchase (i.e. the invoice date), as long as your CAPRISTO® Exhaust was purchased directly via CAPRISTO® or one of its authorized re-sellers. All electronic components carry a 1-year warranty. Product warranties are non-transferable. The warranty is limited to the exchange or repair of the defective part, and not the entire exhaust, unless needed. A situation in which the entire exhaust is defective is extremely unlikely. Transportation costs and labor as well as other claims for compensation for damages are not part of our guarantee.

All our sports exhaust systems are designed on the basis of serial cars. Power enhancements, turbocharger modifications or other changes in design, which entail an increase in emission temperatures, may alter your CAPRISTO® Exhaust, hence voiding its warranty. Any modifications on our products without consulting us before, result in an immediate expiration of our warranty.

Subject to a claim being made during the applicable Warranty Period and meeting the other conditions of this agreement, Customer's sole and exclusive remedy for breach of warranty is that Seller will repair or replace the defective Seller's Products or, in the case of other Warrantied Items, re-perform the defective service. Customer shall be responsible for all other costs and expenses, including, without limitation, removing, shipping goods, and reinstalling any products. Customer hereby acknowledges on a continuing basis that any exclusive and/or limited remedies available in this Agreement are reasonable and sufficient and that they will not fail of their essential purpose even if Customer may not take advantage of them in some circumstances by their terms.


Customers who do not purchase a Capristo Exhaust® product directly or from an Authorized Dealer DO NOT have a warranty, and are likely buying a counterfeit or damaged product. ONLY BUY FROM CAPRISTO® OR AN AUTHORIZED DEALER.

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