Installed Borla v2 headers with a gutted upipe and Cobb catted downpipe and Cbb catback on my Subaru Impreza WRX

2010 HPE550 Camaro by Hennessey Performance lays down 530 rear wheel hp during initial validation testing.

race 1: shelby 2008, JLT INTAKE/SCT TUNER/PULLEY PACKAGE jba long headers ,jba hi flow cats , ford racing catback VS camaro 2010 Supercharged, Auto trans, Torque Converter , Nitto NT555R drag radials , full exhaust system no cats, Camshaft , MagnaCharger small pulley

Newcomer Racing 4.7 Stroker Turbo on the dyno in naturally aspirated form for break-in and dyno numbers. The 4.7 was broke-in and ran with a 390 Holley, then for the last two pulls we decided to try a 750 Holley to see if the 4.7 could take it and boy did it ever! The power numbers were up all...

this custom built 427 SS is bad to the bone, featuring a LS7 7.0L motor it tears up the road.

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Supersprint headers, high-flow cats and mufflers

987 Porsche Cayman S equipped with Fabspeed's Maxflo Sport Exhaust System with Sport Headers. Headers feature German imported, 200 cell per square inch sportcats. This exhaust system increases horsepower by 15HP at the rear wheels on the dyno. This system also elimates the second set of...

Homepage(??????): www.kreissieg.com Details: kreissieg.ocnk.net ????: kreissieg-japan.ocnk.net ??????? 147 GTA ??????? F1???? ??????????????????(F-1???&???????????) - ???????????Alfa Romeo 147 GTA kreissieg F1Sound Valvetronic Exhaust system (F-1mode& Silent mode switchtable) - ?Blipping sound....

Tuned Fiat Punto Sporting 1242cc 16V 110Hp year 2000 engine mods: custom AMA cold air intake with twincone filter element enlarged throttle body diameter polished intake ports and valves skimmed head Denso Iridium spark plugs C&B fast road cams custom AMA exhaust system Header + catback remapped...