and NEW (gas) Marine & Helicopter Double Quiet Pipes 2013 Marine Tuned Pipes (un-muffled) size Length Weight price stock # 2.5cc (.10-.15) (also aero pipe) 10" 1.2oz 40.95 1110 3.5ccLNP (.18-.25) (lo nitro) 11 1/8" 1.25oz 49.95 1323 3.5ccHNP (.18-.28) (hi nitro) the top RTR .18 racing pipe 11 1/4" 1.8 oz 53.95 1324 3.5cc (.21-.32) (compound) 13" 2.2 oz 66.95 1325 3.5cc (.21-.36) (14°-1"-18°) Drag Car racing pipe(see #1126) (This is the old 3.5 Prather Pipes) also see 3.5cc Drag Car Pipes and Truck Pipes Pipes 11 1/2" 1.6 oz 45.95 1326 (1126) 7.5cc (.45-.46) 14" 2.8 oz 83.95 1345 11cc (.65-.67) 16" 3.4 oz 86.95 1365 13cc (.80-.91) (2 1/4"d at hi pt) - std.-(7/8" hp & 0" flat high point) 16 7/8" 3.6 oz 94.95 1385 13cc (.80-.91) (2 1/4"d at hi pt) - cust.( 1" hp & 0" flat high point) 16 3/4" 3.6 oz 107.95 1384 15cc (.90-1.0) (2 1/4"d at hi pt) - std.-(7/8" hp & 1" flat high point) 17 1/2" 4.2 oz 98.95 1395 15cc (.90-1.0) (2 1/4"d at hi pt) - cust-( 1" hp & 1" flat high point) 17 3/8" 4.2 oz 112.95 1394 18cc (.90-1.2) (2 1/4"d at hi pt) - cust-(7/8" hp & 2" flat high point) 18 1/2" 4.5 oz 122.95 1396 Dear Customer Please note: Sometimes (especially in the larger pipes) it's necessary to leave external blemishes so as to not compromise the internal structure. (compound) means this pipes front cone has two tapers instead of just one. All of the larger Marine Pipes are compound pipes (see photos above) (- std.- / standard pipes) Marine Pipes that we have had all along (- cust- / custom pipes) NEW Variations of standard Marine Pipes (hp) is the head pipe diameter, lead-in tube or front inlet diameter (high point or hi pt) is the flat length at the widest point of the pipe for connectors see our NEW line of Ultra-Pure Marine Silicone Tubing Also see our Special Application Aero & Marine Headers Muffled Marine Tuned Pipes size Length Weight price stock # 2.5cc (.10-.15) (also aero pipe) 12" 2.0 oz 70.95 1210 3.5cc (.18-.25) (lo nitro) 13 1/8" 2.4 oz 77.95 1327 3.5cc (.18-.28) (hi nitro) 14" 2.8 oz 79.95 1328 3.5cc (.21-.32) (compound) 15 3/4" 3.2 oz 96.95 1329 7.5cc (.45-.46) 17" 4.2 oz 112.95 1349 11cc (.65-.67) 19 1/2" 5.2 oz 125.95 1369 13cc (.80-.91) (2 1/4"d at hi pt) - std.-(7/8" hp & 0" flat high point) 21" 5.6 oz 141.95 1389 15cc (.90-1.0) (2 1/4"d at hi pt) - std.-(7/8" hp & 1" flat high point) 21 3/4" 6.0 oz 149.95 1399 18cc (.90-1.2) (2 1/4"d at hi pt) - cust-(7/8" hp & 2" flat high point) 22 3/4" 6.3 oz 166.95 1397 (compound) means this pipes front cone has two tapers instead of just one. All of the larger Marine Pipes are compound pipes (see photos above) (- std.- / standard pipes) Marine Pipes that we have had all along (- cust- / custom pipes) NEW Variations of standard Marine Pipes (hp) is the head pipe diameter, lead-in tube or front inlet diameter (high point or hi pt) is the flat length at the widest point of the pipe for connectors see our NEW line of Ultra-Pure Marine Silicone Tubing The pipe photographed here is a #1382 Super-Q(uiet) Marine Tuned Pipes size Length Weight price stock # 3.5cc (.18-.32) (compound) 14 3/4" 3.6 oz 124.95 1322 7.5cc (.45-.46) 15 3/4" 3.8 oz 144.95 1342 11cc (.65-.67) 19 1/4" 5.4 oz 154.95 1362 13cc (.80-.91) (2 1/4"d at hi pt) - std.-(7/8" hp & 0" flat high point) 20" 6 oz 183.95 1382 15cc (.90-1.0) (2 1/4"d at hi pt) - std.-(7/8" hp & 1" flat high point) 20 3/4" 6.4 oz 216.95 1392 (compound) means this pipes front cone has two tapers instead of just one. All of the larger Marine Pipes are compound pipes (see photos above) (hp) is the head pipe diameter, lead-in tube or front inlet diameter (high point or hi pt) is the flat length at the widest point of the pipe for connectors see our NEW line of Ultra-Pure Marine Silicone Tubing Also see our Special Application Aero & Marine Headers - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - MARINE & Helicopter Pipes (also for motors that run on gasoline) Of the pipes photographed here the top one is a 2" and the lower one is a 2 1/4" Double-Q(uiet) Marine (and Helo) Tuned Pipes size In-Let Length Out-Let Weight price stock # 15cc-26cc (2") 1"(od) 19.75" .545"(id) 6.6oz 195.95 1401 15cc-24cc (2") 1"(od) 19.50" .497"(id) 6.4oz 199.95 1402 15cc-26cc (2") 7/8"(od) 20.75" .545"(id) 6.6oz 199.95 1403 15cc-24cc (2") 7/8"(od) 20.50" .497"(id) 6.6oz 199.95 1404 25cc-38cc (2 1/4") 7/8"(od) 21.25" .545"(id) 7.6oz 251.95 1405 25cc-32cc (2 1/4") 7/8"(od) 21.25" .497"(id) 7.4oz 251.95 1406 25cc-38cc (2 1/4") 1"(od) 20.50" .545"(id) 7.6oz 251.95 1407 25cc-32cc (2 1/4") 1"(od) 20.25" .497"(id) 7.4oz 251.95 1408 The In-Let (O.D.) measurement is a general size not a specific measurement. The Out-Let (I.D.) is an approximant measurement. The 2 1/4" pipes (1405,1406,1407 & 1408) will only be available when we can get the 2 1/4"(od)x.035 6061 metal. Please contact us. for connectors see our NEW line of Ultra-Pure Silicone Tubing Return to Product Line Macs Products 7935A Carlton Rd. Sacramento, CA 95826 Home | Product Line | Tuning Info | One Piece Muffler Pumpless Smoke System | Videos | R/C Links | Order Form