We show you how to fit one of Auto Spe­cial­ists’ Stage 2 in­duc­tion kits for the Mk3 Fo­cus RS…

Fast Ford - - In Association With Bilstein - Photos Aron Vick­ers

As fan­tas­tic as the mighty Mk3 Fo­cus RS is, the ba­sic prin­ci­pals of en­gine tun­ing still ap­ply. That means that the

stock air fil­ter should be one of the first ar­eas to im­prove for any­one look­ing to in­crease the power out­put of their RS. In­creas­ing the amount of fresh, cool air an en­gine re­ceives not only im­proves per­for­mance but also acts as the foun­da­tion for all fu­ture tun­ing work to build upon too.

And that’s ex­actly what Auto Spe­cial­ists have been con­cen­trat­ing on with their new Stage 2 In­duc­tion Kit for the Mk3 Fo­cus RS. By to­tally re­design­ing the in­take sys­tem to fea­ture a high-flow K& N air fil­ter, unique heat­shield, and high-flow alu­minium pipework, Auto Spe­cial­ists say you can ex­pect to see 5-10bhp gains from their in­duc­tion kit when com­pared to the stan­dard air­box setup. Not only that but the Stage 2 In­duc­tion Kit of­fers var­i­ous other ben­e­fits too, such as pro­vid­ing a suit­able base for fur­ther en­gine tun­ing, bright­en­ing up the un­der-bon­net ap­pear­ance, and of­fer­ing a much more ex­cit­ing au­di­ble ex­pe­ri­ence with in­creased in­duc­tion roar and turbo re­circ noises.

Fit­ting is sim­ple and the kit can be in­stalled by any­one who is com­fort­able with swing­ing a few span­ners, and it can also eas­ily be re­turned to stan­dard if you ever need to. Sounds ideal, so let’s see what’s in­volved with fit­ting one then…

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