Home / Products by Brand / DeatschWerks / Modular Surge Tanks Modular Surge Tanks Sort By Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A 2 Products Sort DW 2.5L modular surge tank universal. Fits 1 or 2 DW250il £360.20 £300.17 (ex. VAT) Quickview DW 3.5L modular surge tank universal. Fits 1 or 2 DW350il £379.21 £316.01 (ex. VAT) Quickview