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Our Twin Scroll EFR Spec High Mount Steam Pipe Exhaust Manifold's are approximately 3mm in wall thickness to ensure strength and rigidity in the most extreme cases.
Designed to fit the Borg Warner EFR Range of Turbochargers. Internal & External Wastegate !
Fitment from 6258 all the way upto 9280 EFR.
Fitment possible to all Silvia's.
Including S13 , S14 , S15 , 180SX , 200SX , 240SX etc which use the SR20DE(t) Engine!
BorgWarner’s new line of high-performance turbochargers is specific to the automotive aftermarket. Traditionally, aftermarket turbochargers are “pieced” from current product lines that serve the automakers. The primary reason is cost, as it’s extremely expensive to design, test and manufacture a turbocharger from a “clean sheet.” So, companies usually leverage current inventory to make a new turbos specifically for the aftermarket, and then call it a day. The new EFR product line has no ties to the OEM market. In fact, BorgWarner could maximize this technology and feed it into production vehicles. When engineers developed EFR, they listed features they thought would be cool, might be possible, and all the performance elements customers wanted in a turbocharger. When all was said and done, they achieved about 90% of the list."
Any additional option's will be handled outside of this purchase via a custom invoice which will be sent to you, please notify us with any additional options on checkout in the comments section and we will reach out to you with the appropriate invoice.