Tube Fittings (Transitions, etc.)
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Ace Race Parts carries a variety of exhaust pipe adapters, connectors, couplers, and other fittings. Our 304 Stainless Steel and 6061 Aluminum Tube Fittings are a high-quality, cost-effective solution for header, exhaust, intake, and downpipe builders. An exhaust pipe connector from this collection suits header, exhaust, intake, and downpipe builds. Choose an exhaust reducer to step from 1.500" up to 5.000" diameters.
Our 304 Stainless Steel Exhaust Fittings are manufactured to the stringent ASTM A270 Sanitary specification, which offers a much higher quality finish and welding experience than other specifications of exhaust pipe adapters due to an extensive testing and inspection process prior to shipment. 304 Stainless Steel Exhaust Pipe Fittings are available as Transition Reducers from 1.500" to 5.000" diameters. A 304 Stainless Steel exhaust pipe coupler offers a much higher quality finish than other specifications. Every 304 Stainless Steel exhaust pipe connector is manufactured to the ASTM A270 Sanitary specification.
Our Aluminum Transition Reducers are available in 6061 Aluminum with a highly polished finish and work perfectly in conjunction with our Aluminum Mandrel Bends, Aluminum Tubing, Aluminum V-Band Clamps and Flanges, 4-Ply Silicone Hoses, and Stainless Steel T-Bolt Clamps. Every 6061 Aluminum exhaust reducer has a highly polished finish. Pair any exhaust pipe coupler with our 4-Ply Silicone Hoses and Stainless Steel T-Bolt Clamps.
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1.500" OD 16ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 304 Stainless
Butt-Weld Short Tee (7WWW) – 304 Stainless Steel PNW Sanitary Butt-Weld Short Tees (7WWW) provide a compact, sanitary branch connection for welded ...
View full details2.000" OD 16ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 304 Stainless
Butt-Weld Short Tee (7WWW) – 304 Stainless Steel PNW Sanitary Butt-Weld Short Tees (7WWW) provide a compact, sanitary branch connection for welded ...
View full details2.500" OD 16ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 304 Stainless
Butt-Weld Short Tee (7WWW) – 304 Stainless Steel PNW Sanitary Butt-Weld Short Tees (7WWW) provide a compact, sanitary branch connection for welded ...
View full details3.000" OD 16ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 304 Stainless
Butt-Weld Short Tee (7WWW) – 304 Stainless Steel PNW Sanitary Butt-Weld Short Tees (7WWW) provide a compact, sanitary branch connection for welded ...
View full details4.000" OD 14ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 304 Stainless
Butt-Weld Short Tee (7WWW) – 304 Stainless Steel PNW Sanitary Butt-Weld Short Tees (7WWW) provide a compact, sanitary branch connection for welded ...
View full details1.500" OD 16ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 316L Stainless
316L STAINLESS BUTT-WELD SHORT TEE (7WWW) FOR MARINE EXHAUST & SANITARY SYSTEMS PNW Sanitary 316L Butt-Weld Short Tees are built for applicatio...
View full details2.000" OD 16ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 316L Stainless
316L STAINLESS BUTT-WELD SHORT TEE (7WWW) FOR MARINE EXHAUST & SANITARY SYSTEMS PNW Sanitary 316L Butt-Weld Short Tees are built for applicatio...
View full details2.500" OD 16ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 316L Stainless
316L STAINLESS BUTT-WELD SHORT TEE (7WWW) FOR MARINE EXHAUST & SANITARY SYSTEMS PNW Sanitary 316L Butt-Weld Short Tees are built for applicatio...
View full details3.000" OD 16ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 316L Stainless
316L STAINLESS BUTT-WELD SHORT TEE (7WWW) FOR MARINE EXHAUST & SANITARY SYSTEMS PNW Sanitary 316L Butt-Weld Short Tees are built for applicatio...
View full details4.000" OD 14ga Short Tee Butt-Weld - (7WWW) - Polished OD/ID - 316L Stainless
316L STAINLESS BUTT-WELD SHORT TEE (7WWW) FOR MARINE EXHAUST & SANITARY SYSTEMS PNW Sanitary 316L Butt-Weld Short Tees are built for applicatio...
View full details2.000" OD x 1.500" OD 16ga Reducer (2.000" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details2.500" OD x 2.000" OD 16ga Reducer (2.000" Long) - Brushed Finish - 304 Stainless
 A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufac...
View full details2.500" OD x 2.250" OD 16ga Reducer (2.500" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details3.000" OD x 2.000" OD 16ga Reducer (4.000" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details3.000" OD x 2.250" OD 16ga Reducer (2.500" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details3.000" OD x 2.500" OD 16ga Reducer (2.500" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details3.500" OD x 3.000" OD 14ga Reducer (3.000" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details4.000" OD x 3.000" OD 14ga Reducer (4.000" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details4.000" OD x 3.500" OD 14ga Reducer (3.000" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details5.000" OD x 3.000" OD 14ga Reducer (5.000" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details5.000" OD x 3.500" OD 14ga Reducer (5.000" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details5.000" OD x 4.000" OD 14ga Reducer (5.000" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details2.500" OD x 2.000" OD 16ga Reducer - Polished OD - 6061 Aluminum - (3.000" Long)
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 6061-T6 Aluminum Transition Reducers is the fabricator's and ma...
View full details3.000" OD x 2.500" OD 16ga Reducer - Polished OD - 6061 Aluminum - (3.000" Long)
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 6061-T6 Aluminum Transition Reducers is the fabricator's and ma...
View full details3.500" OD x 3.000" OD 16ga Reducer - Polished OD - 6061 Aluminum - (3.000" Long)
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 6061-T6 Aluminum Transition Reducers is the fabricator's and ma...
View full details4.000" OD x 3.000" OD 14ga Reducer - Polished OD - 6061 Aluminum - (3.000" Long)
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 6061-T6 Aluminum Transition Reducers is the fabricator's and ma...
View full details4.000" OD x 3.500" OD 14ga Reducer - Polished OD - 6061 Aluminum - (3.000" Long)
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 6061-T6 Aluminum Transition Reducers is the fabricator's and ma...
View full details3.000" OD x 2.500" OD 0.039" (1mm) Reducer CP1 Titanium - (1.188" Long)
ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice ...
View full details3.500" OD x 3.000" OD 0.039" (1mm) Reducer CP1 Titanium - (1.188" Long)
ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice ...
View full details4.000" OD x 3.000" OD 0.039" (1mm) Reducer CP1 Titanium - (2.375" Long)
 ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice...
View full details4.000" OD x 3.500" OD 0.039" (1mm) Reducer CP1 Titanium - (2.375" Long)
ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice ...
View full details2.000" OD Double Slip Joint Adapter - Polished OD - 304 Stainless
TRUSTED BY THE INDUSTRY'S TOP FABRICATORS AND MANUFACTURERS! The Ace Race Parts line of low-profile Double Slip Joint Adapters feature a 3-piece l...
View full details2.500" OD Double Slip Joint Adapter - Polished OD - 304 Stainless
TRUSTED BY THE INDUSTRY'S TOP FABRICATORS AND MANUFACTURERS! The Ace Race Parts line of low-profile Double Slip Joint Adapters feature a 3-piece l...
View full details3.000" OD Double Slip Joint Adapter - Polished OD - 304 Stainless
TRUSTED BY THE INDUSTRY'S TOP FABRICATORS AND MANUFACTURERS! The Ace Race Parts line of low-profile Double Slip Joint Adapters feature a 3-piece l...
View full details2.500" OD Aluminum Joiner with Bead Rolled Ends - Polished OD - 6061 Aluminum
POLISHED ALUMINUM JOINER WITH BEAD ROLLED ENDS The Ace Race Parts brand of Aluminum Joiners are manufactured from 6061 Aluminum and is an excellent...
View full details3.000" OD Aluminum Joiner with Bead Rolled Ends - Polished OD - 6061 Aluminum
POLISHED ALUMINUM JOINER WITH BEAD ROLLED ENDS The Ace Race Parts brand of Aluminum Joiners are manufactured from 6061 Aluminum and is an excellent...
View full details3.500" OD Aluminum Joiner with Bead Rolled Ends - Polished OD - 6061 Aluminum
POLISHED ALUMINUM JOINER WITH BEAD ROLLED ENDS The Ace Race Parts brand of Aluminum Joiners are manufactured from 6061 Aluminum and is an excellent...
View full details4.000" OD Aluminum Joiner with Bead Rolled Ends - Polished OD - 6061 Aluminum
POLISHED ALUMINUM JOINER WITH BEAD ROLLED ENDS The Ace Race Parts brand of Aluminum Joiners are manufactured from 6061 Aluminum and is an excellent...
View full details6.000" OD x 5.000" OD 14ga Reducer (5.000" Long) - Brushed Finish - 304 Stainless
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 304 Stainless Exhaust Reducers is the fabricator's and manufact...
View full details5.000" OD x 4.000" OD 14ga Reducer - Polished OD - 6061 Aluminum - (3.000" Long)
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 6061-T6 Aluminum Transition Reducers is the fabricator's and man...
View full details3.500" OD x 2.000" OD 16ga Reducer - Polished OD - 6061 Aluminum - (3.125" Long)
A SMOOTH, FREE-FLOWING WAY TO STEP UP OR DOWN IN SIZE! The Ace Race Parts brand of 6061-T6 Aluminum Transition Reducers is the fabricator's and ma...
View full details2.500" OD x 2.000" OD 0.039" (1mm) Reducer CP1 Titanium - (1.188" Long)
ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice ...
View full details5.000" OD x 4.000" OD 0.039" (1mm) Reducer CP1 Titanium - (2.375" Long)
ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice ...
View full details2.500" OD x 2.000" OD 0.047" (1.2mm) Reducer CP1 Titanium - (1.188" Long)
ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice ...
View full details3.000" OD x 2.500" OD 0.047" (1.2mm) Reducer CP1 Titanium - (1.188" Long)
ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice ...
View full details3.500" OD x 3.000" OD 0.047" (1.2mm) Reducer CP1 Titanium - (1.188" Long)
 ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice...
View full details4.000" OD x 3.000" OD 0.047" (1.2mm) Reducer CP1 Titanium - (2.375" Long)
ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice ...
View full details4.000" OD x 3.500" OD 0.047" (1.2mm) Reducer CP1 Titanium - (2.375" Long)
ULTRA LIGHTWEIGHT, THIN WALL CP1 TITANIUM TRANSITION REDUCER The Ace Race Parts brand of CP1 Titanium Transition Reducers is the preferred choice ...
View full details