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the factory catback was EXTREMELY restrictive and a high flow catback system is almost required or open downpipe
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It will just pressurize the catch can and engine if you run this style on a boosted applications
YFB6704OM- 67-70 Mopar A-Body
Also watch the videos below to see it on the dyno backing up the numbers we made
LSX Up & Forward Headers Chevrolet-Silverado-3500-HD-2010 the factory catback was EXTREMELYOn 3 Performance's Universal LSX Up and Forward Turbo Headers This is a brand new in the box, On 3Performance UP and Forward turbo headers. Currently in stock and shipping out daily. We are going to have 2 versions of these headers. This auction is for our economy version which is pretty similar to whats currently on the market now. Its a 1. 4mm wall 304 stainless with 1 7 8" header primaries that merge into 3" collectors. We will also be doing a
US$ 25.00
US$ 12.00
US$ 29.90
