Thread: Low Backpressure Side Affects?

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i get alot of back pressure when i eat at taco bell i have never see big pipe hurt on small blocks 3 inch works good but for a very mild small 2 1/2 is fine i have built some EX with the x pipe they seam to work if not they give the car a good sound. and have built headers to .it all boils down to dyno time and how many headers and EX you want to try?that makes or breaks what may or may not work with your engine. equal tubes is alot of BS have talk to guys that have dyno there headers they sell and you may see 10hp or less . now when i build a set i try like hell to keep it no more than 4inch from long to short . now some times it ant going to happpen . did a set for a S10 drag truck with 400 small block for a customer that had a set of hookers headers . he did not like them so i built him a set that fit the truck .they were not equal and no way in hell they would for this job .when done the truck went faster. i built bigger set of tube headers .the engine needed it more than having them equal plus the fact the collector comes in to play that helps