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BA1927 · 10-31-2018, 11:22 AM

Is there a formula when going from conventional collector's to a merge in reference to shortening the primary tube by how much to start on a 1 5/8" x 33" on a 4-1 header low HP Low RPM V8 - Thank's in advance any input is appreciated

10-31-2018, 11:22 AM	#1
BA1927 Member Join Date: Nov 2003 Location: BOSTON Posts: 151 Likes: 24 Liked 25 Times in 9 Posts	Trying Merge Collectors Is there a formula when going from conventional collector's to a merge in reference to shortening the primary tube by how much to start on a 1 5/8" x 33" on a 4-1 header low HP Low RPM V8 - Thank's in advance any input is appreciated