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Return to Parts List Category : T- TTI Headers & Exhaust Parts TTI 340AW2-C1 EXTERIOR NICKEL-CHROME NICKLE CHROME PLATE (EXTERIOR) A-BODY $901.00 1-5/8" O.D. primary tubes steps up to 1-3/4" secondary tubes with 3" 3-bolt collectors Cylinder head center bolt-hole pattern spread must measure 3-15/16" to use this header1 "Step" design provides low-end response and top-end horsepower gain Recommended for 320-575 horsepower Above the steering center link design (under chassis) offers maximum header to ground clearance Full length header design for proven power gain Constructed of 16 gauge mild steel tubing Mandrel bent on sophisticated computer controlled bending machines for precise fit and uninterrupted exhaust flow. The mandrel bending process maintains a constant inside diameter of the tube for a smoother finish with no restriction of flow and no crimping of the tubes. 3/8" thick laser-cut header flanges contoured for a leak free fit 3/8" thick laser-cut 3-bolt collector flanges Removal of the torsion bars not required Easy spark-plug access Coupled with a TTi Exhaust Systems these headers become even more efficient! Due to the numerous engine configurations and suspension combinations, TTi cannot ensure headers and exhaust to fit all combinations, however, we have done our best to accommodate both factory and aftermarket component combinations.  e.g. Engine blocks, cylinder heads, starters, valve covers, etc. Nickel Chrome Plated (Exterior) A bright and shiny decorative chrome finish. Exhaust components which are chrome plated are much more susceptible to bluing, blistering, peeling and corrosion due to extreme exhaust temperatures. This process carries no warranty other than to be free from defects at the time of purchase prior to installation only.