Can I borrow some reading glasses please 
Fast lsxrt manifold
He is talking about the LSXRT manifold... those aren't due out until the 16th of this month.
Joined: Oct 2006
Posts: 2,608
Likes: 0
From: Webb City, MO...out in the garage
Anybody seen any testing results with this manifold? i know they won't clear an F-body (supposedly) cowl, but are they truck-specific? or would there be benefits over a traditional LSX 90/92/96/102mm manifold?......like on, say, i dunno...a LSX 454 
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Joined: Oct 2006
Posts: 2,608
Likes: 0
From: Webb City, MO...out in the garage
Features & Benefits:
• Designed for 1997 & later GM 4.8/5.3/6.0L cathedral port truck engines & all LS1/2/6 based engines (race applications with appropriate cowl clearance)
• Three-piece modular design with removable runners for easy disassembly & porting
• 102mm inlet works w/ 90, 92 or 102mm throttle bodies for high flow & minimal restriction
• Advanced polymer material is strong, lightweight & cools intake charge for enhanced power
• Big gains in rear-wheel hp yet retains factory fitments & under-hood clearance requirements
• Designed for 1997 & later GM 4.8/5.3/6.0L cathedral port truck engines & all LS1/2/6 based engines (race applications with appropriate cowl clearance)
• Three-piece modular design with removable runners for easy disassembly & porting
• 102mm inlet works w/ 90, 92 or 102mm throttle bodies for high flow & minimal restriction
• Advanced polymer material is strong, lightweight & cools intake charge for enhanced power
• Big gains in rear-wheel hp yet retains factory fitments & under-hood clearance requirements
“If you can fit this manifold, it’s the one you want to run,” said Brian Reese, Director of Engineering at FAST™. “It makes more power than any cathedral port LS manifold on the market.”
